Home / 8,529,878.40-12,769,934.40-8,281,046.40

Finding the Fourth Proportional to 8,529,878.40, 12,769,934.40 and 8,281,046.40

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Solution

The fourth proportional to 8,529,878.40, 12,769,934.40 and 8,281,046.40 is: 12,397,412.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529,878.40 : 12,769,934.40 = 8,281,046.40 : x
  2. Step 2: Convert to fraction form
    8,529,878.40/12,769,934.40 = 8,281,046.40/x
  3. Step 3: Cross multiply
    8,529,878.40x = 12,769,934.40 × 8,281,046.40
  4. Step 4: Simplify right side
    8,529,878.40x = 105,748,419,291,356.17
  5. Step 5: Solve for x
    x = 105,748,419,291,356.17/8,529,878.40
  6. Step 6: Final answer
    x = 12,397,412.29

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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.