Home / 21,339,711.90-32,009,651.88-5,165,637.18

Finding the Fourth Proportional to 21,339,711.90, 32,009,651.88 and 5,165,637.18

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Solution

The fourth proportional to 21,339,711.90, 32,009,651.88 and 5,165,637.18 is: 7,748,476.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339,711.90 : 32,009,651.88 = 5,165,637.18 : x
  2. Step 2: Convert to fraction form
    21,339,711.90/32,009,651.88 = 5,165,637.18/x
  3. Step 3: Cross multiply
    21,339,711.90x = 32,009,651.88 × 5,165,637.18
  4. Step 4: Simplify right side
    21,339,711.90x = 165,350,247,870,184.88
  5. Step 5: Solve for x
    x = 165,350,247,870,184.88/21,339,711.90
  6. Step 6: Final answer
    x = 7,748,476.11

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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.