Home / 19,724,864.20-29,566,301.10-7,589,638.60

Finding the Fourth Proportional to 19,724,864.20, 29,566,301.10 and 7,589,638.60

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Solution

The fourth proportional to 19,724,864.20, 29,566,301.10 and 7,589,638.60 is: 11,376,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724,864.20 : 29,566,301.10 = 7,589,638.60 : x
  2. Step 2: Convert to fraction form
    19,724,864.20/29,566,301.10 = 7,589,638.60/x
  3. Step 3: Cross multiply
    19,724,864.20x = 29,566,301.10 × 7,589,638.60
  4. Step 4: Simplify right side
    19,724,864.20x = 224,397,540,087,782.47
  5. Step 5: Solve for x
    x = 224,397,540,087,782.47/19,724,864.20
  6. Step 6: Final answer
    x = 11,376,379.47

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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.