Home / 15,473,019.98-21,352,869.78-9,675,195.50

Finding the Fourth Proportional to 15,473,019.98, 21,352,869.78 and 9,675,195.50

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Solution

The fourth proportional to 15,473,019.98, 21,352,869.78 and 9,675,195.50 is: 13,351,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,473,019.98 : 21,352,869.78 = 9,675,195.50 : x
  2. Step 2: Convert to fraction form
    15,473,019.98/21,352,869.78 = 9,675,195.50/x
  3. Step 3: Cross multiply
    15,473,019.98x = 21,352,869.78 × 9,675,195.50
  4. Step 4: Simplify right side
    15,473,019.98x = 206,593,189,607,542
  5. Step 5: Solve for x
    x = 206,593,189,607,542/15,473,019.98
  6. Step 6: Final answer
    x = 13,351,833.70

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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.