Home / 8,502,289.17-12,752,119.11-3,109,678.53

Finding the Fourth Proportional to 8,502,289.17, 12,752,119.11 and 3,109,678.53

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Solution

The fourth proportional to 8,502,289.17, 12,752,119.11 and 3,109,678.53 is: 4,664,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502,289.17 : 12,752,119.11 = 3,109,678.53 : x
  2. Step 2: Convert to fraction form
    8,502,289.17/12,752,119.11 = 3,109,678.53/x
  3. Step 3: Cross multiply
    8,502,289.17x = 12,752,119.11 × 3,109,678.53
  4. Step 4: Simplify right side
    8,502,289.17x = 39,654,991,008,369.70
  5. Step 5: Solve for x
    x = 39,654,991,008,369.70/8,502,289.17
  6. Step 6: Final answer
    x = 4,664,036.97

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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.