Home / 28,002,319.60-42,003,479.40-22,333,615.60

Finding the Fourth Proportional to 28,002,319.60, 42,003,479.40 and 22,333,615.60

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Solution

The fourth proportional to 28,002,319.60, 42,003,479.40 and 22,333,615.60 is: 33,500,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,002,319.60 : 42,003,479.40 = 22,333,615.60 : x
  2. Step 2: Convert to fraction form
    28,002,319.60/42,003,479.40 = 22,333,615.60/x
  3. Step 3: Cross multiply
    28,002,319.60x = 42,003,479.40 × 22,333,615.60
  4. Step 4: Simplify right side
    28,002,319.60x = 938,089,562,782,118.62
  5. Step 5: Solve for x
    x = 938,089,562,782,118.62/28,002,319.60
  6. Step 6: Final answer
    x = 33,500,423.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.