Home / 10,221,114.28-15,338,489.50-5,301,679.90

Finding the Fourth Proportional to 10,221,114.28, 15,338,489.50 and 5,301,679.90

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Solution

The fourth proportional to 10,221,114.28, 15,338,489.50 and 5,301,679.90 is: 7,956,056.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221,114.28 : 15,338,489.50 = 5,301,679.90 : x
  2. Step 2: Convert to fraction form
    10,221,114.28/15,338,489.50 = 5,301,679.90/x
  3. Step 3: Cross multiply
    10,221,114.28x = 15,338,489.50 × 5,301,679.90
  4. Step 4: Simplify right side
    10,221,114.28x = 81,319,761,478,511.06
  5. Step 5: Solve for x
    x = 81,319,761,478,511.06/10,221,114.28
  6. Step 6: Final answer
    x = 7,956,056.38

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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.