Home / 8,869,693.40-13,304,540.10-7,913,099.60

Finding the Fourth Proportional to 8,869,693.40, 13,304,540.10 and 7,913,099.60

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Solution

The fourth proportional to 8,869,693.40, 13,304,540.10 and 7,913,099.60 is: 11,869,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869,693.40 : 13,304,540.10 = 7,913,099.60 : x
  2. Step 2: Convert to fraction form
    8,869,693.40/13,304,540.10 = 7,913,099.60/x
  3. Step 3: Cross multiply
    8,869,693.40x = 13,304,540.10 × 7,913,099.60
  4. Step 4: Simplify right side
    8,869,693.40x = 105,280,150,943,493.95
  5. Step 5: Solve for x
    x = 105,280,150,943,493.95/8,869,693.40
  6. Step 6: Final answer
    x = 11,869,649.40

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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.