Home / 8,053,143.84-12,078,156.15-3,129,167.12

Finding the Fourth Proportional to 8,053,143.84, 12,078,156.15 and 3,129,167.12

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Solution

The fourth proportional to 8,053,143.84, 12,078,156.15 and 3,129,167.12 is: 4,693,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053,143.84 : 12,078,156.15 = 3,129,167.12 : x
  2. Step 2: Convert to fraction form
    8,053,143.84/12,078,156.15 = 3,129,167.12/x
  3. Step 3: Cross multiply
    8,053,143.84x = 12,078,156.15 × 3,129,167.12
  4. Step 4: Simplify right side
    8,053,143.84x = 37,794,569,034,415.01
  5. Step 5: Solve for x
    x = 37,794,569,034,415.01/8,053,143.84
  6. Step 6: Final answer
    x = 4,693,144.66

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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.