Home / 15,697,123.20-23,545,684.80-8,138,851.20

Finding the Fourth Proportional to 15,697,123.20, 23,545,684.80 and 8,138,851.20

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Solution

The fourth proportional to 15,697,123.20, 23,545,684.80 and 8,138,851.20 is: 12,208,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,697,123.20 : 23,545,684.80 = 8,138,851.20 : x
  2. Step 2: Convert to fraction form
    15,697,123.20/23,545,684.80 = 8,138,851.20/x
  3. Step 3: Cross multiply
    15,697,123.20x = 23,545,684.80 × 8,138,851.20
  4. Step 4: Simplify right side
    15,697,123.20x = 191,634,824,989,301.78
  5. Step 5: Solve for x
    x = 191,634,824,989,301.78/15,697,123.20
  6. Step 6: Final answer
    x = 12,208,276.80

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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.