Home / 12,980,687.40-19,472,780.70-4,463,634.60

Finding the Fourth Proportional to 12,980,687.40, 19,472,780.70 and 4,463,634.60

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Solution

The fourth proportional to 12,980,687.40, 19,472,780.70 and 4,463,634.60 is: 6,696,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,980,687.40 : 19,472,780.70 = 4,463,634.60 : x
  2. Step 2: Convert to fraction form
    12,980,687.40/19,472,780.70 = 4,463,634.60/x
  3. Step 3: Cross multiply
    12,980,687.40x = 19,472,780.70 × 4,463,634.60
  4. Step 4: Simplify right side
    12,980,687.40x = 86,919,377,690,732.20
  5. Step 5: Solve for x
    x = 86,919,377,690,732.20/12,980,687.40
  6. Step 6: Final answer
    x = 6,696,053.53

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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.