Home / 12,360,935.20-18,541,402.80-5,642,471.20

Finding the Fourth Proportional to 12,360,935.20, 18,541,402.80 and 5,642,471.20

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Solution

The fourth proportional to 12,360,935.20, 18,541,402.80 and 5,642,471.20 is: 8,463,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360,935.20 : 18,541,402.80 = 5,642,471.20 : x
  2. Step 2: Convert to fraction form
    12,360,935.20/18,541,402.80 = 5,642,471.20/x
  3. Step 3: Cross multiply
    12,360,935.20x = 18,541,402.80 × 5,642,471.20
  4. Step 4: Simplify right side
    12,360,935.20x = 104,619,331,306,599.38
  5. Step 5: Solve for x
    x = 104,619,331,306,599.38/12,360,935.20
  6. Step 6: Final answer
    x = 8,463,706.80

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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.