Home / 8,541,681.35-12,813,645.90-3,154,116.20

Finding the Fourth Proportional to 8,541,681.35, 12,813,645.90 and 3,154,116.20

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Solution

The fourth proportional to 8,541,681.35, 12,813,645.90 and 3,154,116.20 is: 4,731,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541,681.35 : 12,813,645.90 = 3,154,116.20 : x
  2. Step 2: Convert to fraction form
    8,541,681.35/12,813,645.90 = 3,154,116.20/x
  3. Step 3: Cross multiply
    8,541,681.35x = 12,813,645.90 × 3,154,116.20
  4. Step 4: Simplify right side
    8,541,681.35x = 40,415,728,114,253.59
  5. Step 5: Solve for x
    x = 40,415,728,114,253.59/8,541,681.35
  6. Step 6: Final answer
    x = 4,731,589.30

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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.