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Finding the Fourth Proportional to 32,396,972.80, 48,651,446.40 and 17,280,428.80

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Solution

The fourth proportional to 32,396,972.80, 48,651,446.40 and 17,280,428.80 is: 25,950,506.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,396,972.80 : 48,651,446.40 = 17,280,428.80 : x
  2. Step 2: Convert to fraction form
    32,396,972.80/48,651,446.40 = 17,280,428.80/x
  3. Step 3: Cross multiply
    32,396,972.80x = 48,651,446.40 × 17,280,428.80
  4. Step 4: Simplify right side
    32,396,972.80x = 840,717,855,532,216.38
  5. Step 5: Solve for x
    x = 840,717,855,532,216.38/32,396,972.80
  6. Step 6: Final answer
    x = 25,950,506.57

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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.