Home / 10,120,597.20-13,966,581.60-5,536,995.12

Finding the Fourth Proportional to 10,120,597.20, 13,966,581.60 and 5,536,995.12

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Solution

The fourth proportional to 10,120,597.20, 13,966,581.60 and 5,536,995.12 is: 7,641,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120,597.20 : 13,966,581.60 = 5,536,995.12 : x
  2. Step 2: Convert to fraction form
    10,120,597.20/13,966,581.60 = 5,536,995.12/x
  3. Step 3: Cross multiply
    10,120,597.20x = 13,966,581.60 × 5,536,995.12
  4. Step 4: Simplify right side
    10,120,597.20x = 77,332,894,162,281.80
  5. Step 5: Solve for x
    x = 77,332,894,162,281.80/10,120,597.20
  6. Step 6: Final answer
    x = 7,641,139.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.