Home / 15,306,604.11-21,123,143.01-8,337,260.23

Finding the Fourth Proportional to 15,306,604.11, 21,123,143.01 and 8,337,260.23

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Solution

The fourth proportional to 15,306,604.11, 21,123,143.01 and 8,337,260.23 is: 11,505,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,306,604.11 : 21,123,143.01 = 8,337,260.23 : x
  2. Step 2: Convert to fraction form
    15,306,604.11/21,123,143.01 = 8,337,260.23/x
  3. Step 3: Cross multiply
    15,306,604.11x = 21,123,143.01 × 8,337,260.23
  4. Step 4: Simplify right side
    15,306,604.11x = 176,109,140,149,875.50
  5. Step 5: Solve for x
    x = 176,109,140,149,875.50/15,306,604.11
  6. Step 6: Final answer
    x = 11,505,435.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.