Home / 40,695,943.60-61,043,915.40-15,131,663.20

Finding the Fourth Proportional to 40,695,943.60, 61,043,915.40 and 15,131,663.20

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Solution

The fourth proportional to 40,695,943.60, 61,043,915.40 and 15,131,663.20 is: 22,697,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,695,943.60 : 61,043,915.40 = 15,131,663.20 : x
  2. Step 2: Convert to fraction form
    40,695,943.60/61,043,915.40 = 15,131,663.20/x
  3. Step 3: Cross multiply
    40,695,943.60x = 61,043,915.40 × 15,131,663.20
  4. Step 4: Simplify right side
    40,695,943.60x = 923,695,968,242,093.25
  5. Step 5: Solve for x
    x = 923,695,968,242,093.25/40,695,943.60
  6. Step 6: Final answer
    x = 22,697,494.80

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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.