Home / 21,513,542-32,267,626.80-8,721,756.32

Finding the Fourth Proportional to 21,513,542, 32,267,626.80 and 8,721,756.32

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Solution

The fourth proportional to 21,513,542, 32,267,626.80 and 8,721,756.32 is: 13,081,545.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,513,542 : 32,267,626.80 = 8,721,756.32 : x
  2. Step 2: Convert to fraction form
    21,513,542/32,267,626.80 = 8,721,756.32/x
  3. Step 3: Cross multiply
    21,513,542x = 32,267,626.80 × 8,721,756.32
  4. Step 4: Simplify right side
    21,513,542x = 281,430,377,974,301.41
  5. Step 5: Solve for x
    x = 281,430,377,974,301.41/21,513,542
  6. Step 6: Final answer
    x = 13,081,545.47

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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.