Home / 13,639,264.86-18,822,092.79-7,527,693.18

Finding the Fourth Proportional to 13,639,264.86, 18,822,092.79 and 7,527,693.18

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Solution

The fourth proportional to 13,639,264.86, 18,822,092.79 and 7,527,693.18 is: 10,388,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,639,264.86 : 18,822,092.79 = 7,527,693.18 : x
  2. Step 2: Convert to fraction form
    13,639,264.86/18,822,092.79 = 7,527,693.18/x
  3. Step 3: Cross multiply
    13,639,264.86x = 18,822,092.79 × 7,527,693.18
  4. Step 4: Simplify right side
    13,639,264.86x = 141,686,939,528,610.16
  5. Step 5: Solve for x
    x = 141,686,939,528,610.16/13,639,264.86
  6. Step 6: Final answer
    x = 10,388,165.42

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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.