Home / 14,385,677.76-21,589,135.20-6,812,631.36

Finding the Fourth Proportional to 14,385,677.76, 21,589,135.20 and 6,812,631.36

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Solution

The fourth proportional to 14,385,677.76, 21,589,135.20 and 6,812,631.36 is: 10,223,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385,677.76 : 21,589,135.20 = 6,812,631.36 : x
  2. Step 2: Convert to fraction form
    14,385,677.76/21,589,135.20 = 6,812,631.36/x
  3. Step 3: Cross multiply
    14,385,677.76x = 21,589,135.20 × 6,812,631.36
  4. Step 4: Simplify right side
    14,385,677.76x = 147,078,819,498,799.88
  5. Step 5: Solve for x
    x = 147,078,819,498,799.88/14,385,677.76
  6. Step 6: Final answer
    x = 10,223,975.68

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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.