Home / 12,781,475.10-19,162,881.45-5,204,540.70

Finding the Fourth Proportional to 12,781,475.10, 19,162,881.45 and 5,204,540.70

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Solution

The fourth proportional to 12,781,475.10, 19,162,881.45 and 5,204,540.70 is: 7,803,011.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781,475.10 : 19,162,881.45 = 5,204,540.70 : x
  2. Step 2: Convert to fraction form
    12,781,475.10/19,162,881.45 = 5,204,540.70/x
  3. Step 3: Cross multiply
    12,781,475.10x = 19,162,881.45 × 5,204,540.70
  4. Step 4: Simplify right side
    12,781,475.10x = 99,733,996,435,800.02
  5. Step 5: Solve for x
    x = 99,733,996,435,800.02/12,781,475.10
  6. Step 6: Final answer
    x = 7,803,011.44

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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.