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Finding the Fourth Proportional to 16,597,637.40, 24,869,884.05 and 10,521,495.30

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Solution

The fourth proportional to 16,597,637.40, 24,869,884.05 and 10,521,495.30 is: 15,765,398.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,597,637.40 : 24,869,884.05 = 10,521,495.30 : x
  2. Step 2: Convert to fraction form
    16,597,637.40/24,869,884.05 = 10,521,495.30/x
  3. Step 3: Cross multiply
    16,597,637.40x = 24,869,884.05 × 10,521,495.30
  4. Step 4: Simplify right side
    16,597,637.40x = 261,668,368,143,620
  5. Step 5: Solve for x
    x = 261,668,368,143,620/16,597,637.40
  6. Step 6: Final answer
    x = 15,765,398.52

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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.