Home / 20,915,846.98-28,864,569.72-11,623,808.62

Finding the Fourth Proportional to 20,915,846.98, 28,864,569.72 and 11,623,808.62

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Solution

The fourth proportional to 20,915,846.98, 28,864,569.72 and 11,623,808.62 is: 16,041,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,915,846.98 : 28,864,569.72 = 11,623,808.62 : x
  2. Step 2: Convert to fraction form
    20,915,846.98/28,864,569.72 = 11,623,808.62/x
  3. Step 3: Cross multiply
    20,915,846.98x = 28,864,569.72 × 11,623,808.62
  4. Step 4: Simplify right side
    20,915,846.98x = 335,516,234,323,926.94
  5. Step 5: Solve for x
    x = 335,516,234,323,926.94/20,915,846.98
  6. Step 6: Final answer
    x = 16,041,245.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.