Home / 10,489,315.20-15,732,028.80-2,914,713.60

Finding the Fourth Proportional to 10,489,315.20, 15,732,028.80 and 2,914,713.60

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Solution

The fourth proportional to 10,489,315.20, 15,732,028.80 and 2,914,713.60 is: 4,371,530.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489,315.20 : 15,732,028.80 = 2,914,713.60 : x
  2. Step 2: Convert to fraction form
    10,489,315.20/15,732,028.80 = 2,914,713.60/x
  3. Step 3: Cross multiply
    10,489,315.20x = 15,732,028.80 × 2,914,713.60
  4. Step 4: Simplify right side
    10,489,315.20x = 45,854,358,298,951.69
  5. Step 5: Solve for x
    x = 45,854,358,298,951.69/10,489,315.20
  6. Step 6: Final answer
    x = 4,371,530.21

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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.