Home / 12,753,438.76-19,128,186.16-4,664,522.80

Finding the Fourth Proportional to 12,753,438.76, 19,128,186.16 and 4,664,522.80

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Solution

The fourth proportional to 12,753,438.76, 19,128,186.16 and 4,664,522.80 is: 6,996,062.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753,438.76 : 19,128,186.16 = 4,664,522.80 : x
  2. Step 2: Convert to fraction form
    12,753,438.76/19,128,186.16 = 4,664,522.80/x
  3. Step 3: Cross multiply
    12,753,438.76x = 19,128,186.16 × 4,664,522.80
  4. Step 4: Simplify right side
    12,753,438.76x = 89,223,860,465,964.44
  5. Step 5: Solve for x
    x = 89,223,860,465,964.44/12,753,438.76
  6. Step 6: Final answer
    x = 6,996,062.96

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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.