Home / 8,316,109.60-12,474,164.40-5,124,839.20

Finding the Fourth Proportional to 8,316,109.60, 12,474,164.40 and 5,124,839.20

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Solution

The fourth proportional to 8,316,109.60, 12,474,164.40 and 5,124,839.20 is: 7,687,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,109.60 : 12,474,164.40 = 5,124,839.20 : x
  2. Step 2: Convert to fraction form
    8,316,109.60/12,474,164.40 = 5,124,839.20/x
  3. Step 3: Cross multiply
    8,316,109.60x = 12,474,164.40 × 5,124,839.20
  4. Step 4: Simplify right side
    8,316,109.60x = 63,928,086,704,364.48
  5. Step 5: Solve for x
    x = 63,928,086,704,364.48/8,316,109.60
  6. Step 6: Final answer
    x = 7,687,258.80

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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.