Home / 8,686,425.59-13,029,310.78-2,620,995.53

Finding the Fourth Proportional to 8,686,425.59, 13,029,310.78 and 2,620,995.53

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Solution

The fourth proportional to 8,686,425.59, 13,029,310.78 and 2,620,995.53 is: 3,931,394.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,425.59 : 13,029,310.78 = 2,620,995.53 : x
  2. Step 2: Convert to fraction form
    8,686,425.59/13,029,310.78 = 2,620,995.53/x
  3. Step 3: Cross multiply
    8,686,425.59x = 13,029,310.78 × 2,620,995.53
  4. Step 4: Simplify right side
    8,686,425.59x = 34,149,765,339,381.61
  5. Step 5: Solve for x
    x = 34,149,765,339,381.61/8,686,425.59
  6. Step 6: Final answer
    x = 3,931,394.45

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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.