Home / 10,229,006.40-15,380,834.40-8,586,715.20

Finding the Fourth Proportional to 10,229,006.40, 15,380,834.40 and 8,586,715.20

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Solution

The fourth proportional to 10,229,006.40, 15,380,834.40 and 8,586,715.20 is: 12,911,405.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229,006.40 : 15,380,834.40 = 8,586,715.20 : x
  2. Step 2: Convert to fraction form
    10,229,006.40/15,380,834.40 = 8,586,715.20/x
  3. Step 3: Cross multiply
    10,229,006.40x = 15,380,834.40 × 8,586,715.20
  4. Step 4: Simplify right side
    10,229,006.40x = 132,070,844,531,162.88
  5. Step 5: Solve for x
    x = 132,070,844,531,162.88/10,229,006.40
  6. Step 6: Final answer
    x = 12,911,405.01

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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.