Home / 21,381,073.34-32,071,609.38-9,863,132.81

Finding the Fourth Proportional to 21,381,073.34, 32,071,609.38 and 9,863,132.81

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Solution

The fourth proportional to 21,381,073.34, 32,071,609.38 and 9,863,132.81 is: 14,794,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,381,073.34 : 32,071,609.38 = 9,863,132.81 : x
  2. Step 2: Convert to fraction form
    21,381,073.34/32,071,609.38 = 9,863,132.81/x
  3. Step 3: Cross multiply
    21,381,073.34x = 32,071,609.38 × 9,863,132.81
  4. Step 4: Simplify right side
    21,381,073.34x = 316,326,542,585,023.69
  5. Step 5: Solve for x
    x = 316,326,542,585,023.69/21,381,073.34
  6. Step 6: Final answer
    x = 14,794,698.92

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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.