Home / 28,520,005.60-42,761,115.60-15,746,629.60

Finding the Fourth Proportional to 28,520,005.60, 42,761,115.60 and 15,746,629.60

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Solution

The fourth proportional to 28,520,005.60, 42,761,115.60 and 15,746,629.60 is: 23,609,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,520,005.60 : 42,761,115.60 = 15,746,629.60 : x
  2. Step 2: Convert to fraction form
    28,520,005.60/42,761,115.60 = 15,746,629.60/x
  3. Step 3: Cross multiply
    28,520,005.60x = 42,761,115.60 × 15,746,629.60
  4. Step 4: Simplify right side
    28,520,005.60x = 673,343,448,635,981.75
  5. Step 5: Solve for x
    x = 673,343,448,635,981.75/28,520,005.60
  6. Step 6: Final answer
    x = 23,609,513.20

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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.