Home / 10,489,317.20-15,732,031.80-2,914,715.60

Finding the Fourth Proportional to 10,489,317.20, 15,732,031.80 and 2,914,715.60

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Solution

The fourth proportional to 10,489,317.20, 15,732,031.80 and 2,914,715.60 is: 4,371,533.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489,317.20 : 15,732,031.80 = 2,914,715.60 : x
  2. Step 2: Convert to fraction form
    10,489,317.20/15,732,031.80 = 2,914,715.60/x
  3. Step 3: Cross multiply
    10,489,317.20x = 15,732,031.80 × 2,914,715.60
  4. Step 4: Simplify right side
    10,489,317.20x = 45,854,398,507,156.09
  5. Step 5: Solve for x
    x = 45,854,398,507,156.09/10,489,317.20
  6. Step 6: Final answer
    x = 4,371,533.21

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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.