Home / 8,165,963.84-12,240,711.70-5,135,495.45

Finding the Fourth Proportional to 8,165,963.84, 12,240,711.70 and 5,135,495.45

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Solution

The fourth proportional to 8,165,963.84, 12,240,711.70 and 5,135,495.45 is: 7,698,064.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,165,963.84 : 12,240,711.70 = 5,135,495.45 : x
  2. Step 2: Convert to fraction form
    8,165,963.84/12,240,711.70 = 5,135,495.45/x
  3. Step 3: Cross multiply
    8,165,963.84x = 12,240,711.70 × 5,135,495.45
  4. Step 4: Simplify right side
    8,165,963.84x = 62,862,119,166,069.47
  5. Step 5: Solve for x
    x = 62,862,119,166,069.47/8,165,963.84
  6. Step 6: Final answer
    x = 7,698,064.85

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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.