Home / 13,309,601.20-19,971,313.80-6,217,889.20

Finding the Fourth Proportional to 13,309,601.20, 19,971,313.80 and 6,217,889.20

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Solution

The fourth proportional to 13,309,601.20, 19,971,313.80 and 6,217,889.20 is: 9,330,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,601.20 : 19,971,313.80 = 6,217,889.20 : x
  2. Step 2: Convert to fraction form
    13,309,601.20/19,971,313.80 = 6,217,889.20/x
  3. Step 3: Cross multiply
    13,309,601.20x = 19,971,313.80 × 6,217,889.20
  4. Step 4: Simplify right side
    13,309,601.20x = 124,179,416,386,830.97
  5. Step 5: Solve for x
    x = 124,179,416,386,830.97/13,309,601.20
  6. Step 6: Final answer
    x = 9,330,062.90

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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.