Home / 7,687,742.90-10,609,306.61-4,250,205.36

Finding the Fourth Proportional to 7,687,742.90, 10,609,306.61 and 4,250,205.36

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Solution

The fourth proportional to 7,687,742.90, 10,609,306.61 and 4,250,205.36 is: 5,865,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687,742.90 : 10,609,306.61 = 4,250,205.36 : x
  2. Step 2: Convert to fraction form
    7,687,742.90/10,609,306.61 = 4,250,205.36/x
  3. Step 3: Cross multiply
    7,687,742.90x = 10,609,306.61 × 4,250,205.36
  4. Step 4: Simplify right side
    7,687,742.90x = 45,091,731,798,454.41
  5. Step 5: Solve for x
    x = 45,091,731,798,454.41/7,687,742.90
  6. Step 6: Final answer
    x = 5,865,405.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.