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Finding the Fourth Proportional to 16,602,690.80, 24,904,036.20 and 13,243,458.80

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Solution

The fourth proportional to 16,602,690.80, 24,904,036.20 and 13,243,458.80 is: 19,865,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,602,690.80 : 24,904,036.20 = 13,243,458.80 : x
  2. Step 2: Convert to fraction form
    16,602,690.80/24,904,036.20 = 13,243,458.80/x
  3. Step 3: Cross multiply
    16,602,690.80x = 24,904,036.20 × 13,243,458.80
  4. Step 4: Simplify right side
    16,602,690.80x = 329,815,577,368,408.56
  5. Step 5: Solve for x
    x = 329,815,577,368,408.56/16,602,690.80
  6. Step 6: Final answer
    x = 19,865,188.20

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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.