Home / 19,623,142.31-29,432,471.27-5,247,331.16

Finding the Fourth Proportional to 19,623,142.31, 29,432,471.27 and 5,247,331.16

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Solution

The fourth proportional to 19,623,142.31, 29,432,471.27 and 5,247,331.16 is: 7,870,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623,142.31 : 29,432,471.27 = 5,247,331.16 : x
  2. Step 2: Convert to fraction form
    19,623,142.31/29,432,471.27 = 5,247,331.16/x
  3. Step 3: Cross multiply
    19,623,142.31x = 29,432,471.27 × 5,247,331.16
  4. Step 4: Simplify right side
    19,623,142.31x = 154,441,923,437,476.78
  5. Step 5: Solve for x
    x = 154,441,923,437,476.78/19,623,142.31
  6. Step 6: Final answer
    x = 7,870,397.16

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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.