Home / 28,001,319.60-42,001,979.40-22,332,615.60

Finding the Fourth Proportional to 28,001,319.60, 42,001,979.40 and 22,332,615.60

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Solution

The fourth proportional to 28,001,319.60, 42,001,979.40 and 22,332,615.60 is: 33,498,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,001,319.60 : 42,001,979.40 = 22,332,615.60 : x
  2. Step 2: Convert to fraction form
    28,001,319.60/42,001,979.40 = 22,332,615.60/x
  3. Step 3: Cross multiply
    28,001,319.60x = 42,001,979.40 × 22,332,615.60
  4. Step 4: Simplify right side
    28,001,319.60x = 938,014,060,379,318.62
  5. Step 5: Solve for x
    x = 938,014,060,379,318.62/28,001,319.60
  6. Step 6: Final answer
    x = 33,498,923.40

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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.