Home / 8,869,679.40-13,304,519.10-7,913,085.60

Finding the Fourth Proportional to 8,869,679.40, 13,304,519.10 and 7,913,085.60

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Solution

The fourth proportional to 8,869,679.40, 13,304,519.10 and 7,913,085.60 is: 11,869,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869,679.40 : 13,304,519.10 = 7,913,085.60 : x
  2. Step 2: Convert to fraction form
    8,869,679.40/13,304,519.10 = 7,913,085.60/x
  3. Step 3: Cross multiply
    8,869,679.40x = 13,304,519.10 × 7,913,085.60
  4. Step 4: Simplify right side
    8,869,679.40x = 105,279,798,505,134.95
  5. Step 5: Solve for x
    x = 105,279,798,505,134.95/8,869,679.40
  6. Step 6: Final answer
    x = 11,869,628.40

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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.