Home / 15,651,815.20-23,477,722.80-4,292,245.60

Finding the Fourth Proportional to 15,651,815.20, 23,477,722.80 and 4,292,245.60

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Solution

The fourth proportional to 15,651,815.20, 23,477,722.80 and 4,292,245.60 is: 6,438,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651,815.20 : 23,477,722.80 = 4,292,245.60 : x
  2. Step 2: Convert to fraction form
    15,651,815.20/23,477,722.80 = 4,292,245.60/x
  3. Step 3: Cross multiply
    15,651,815.20x = 23,477,722.80 × 4,292,245.60
  4. Step 4: Simplify right side
    15,651,815.20x = 100,772,152,386,319.67
  5. Step 5: Solve for x
    x = 100,772,152,386,319.67/15,651,815.20
  6. Step 6: Final answer
    x = 6,438,368.40

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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.