Home / 18,904,821.60-28,391,446.80-16,553,359.20

Finding the Fourth Proportional to 18,904,821.60, 28,391,446.80 and 16,553,359.20

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Solution

The fourth proportional to 18,904,821.60, 28,391,446.80 and 16,553,359.20 is: 24,859,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904,821.60 : 28,391,446.80 = 16,553,359.20 : x
  2. Step 2: Convert to fraction form
    18,904,821.60/28,391,446.80 = 16,553,359.20/x
  3. Step 3: Cross multiply
    18,904,821.60x = 28,391,446.80 × 16,553,359.20
  4. Step 4: Simplify right side
    18,904,821.60x = 469,973,817,088,090.56
  5. Step 5: Solve for x
    x = 469,973,817,088,090.56/18,904,821.60
  6. Step 6: Final answer
    x = 24,859,997.47

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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.