Home / 21,513,541.50-32,267,626.05-8,721,755.82

Finding the Fourth Proportional to 21,513,541.50, 32,267,626.05 and 8,721,755.82

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Solution

The fourth proportional to 21,513,541.50, 32,267,626.05 and 8,721,755.82 is: 13,081,544.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,513,541.50 : 32,267,626.05 = 8,721,755.82 : x
  2. Step 2: Convert to fraction form
    21,513,541.50/32,267,626.05 = 8,721,755.82/x
  3. Step 3: Cross multiply
    21,513,541.50x = 32,267,626.05 × 8,721,755.82
  4. Step 4: Simplify right side
    21,513,541.50x = 281,430,355,299,171.12
  5. Step 5: Solve for x
    x = 281,430,355,299,171.12/21,513,541.50
  6. Step 6: Final answer
    x = 13,081,544.72

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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.