Home / 14,413,671.38-19,890,865.71-7,887,301.63

Finding the Fourth Proportional to 14,413,671.38, 19,890,865.71 and 7,887,301.63

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Solution

The fourth proportional to 14,413,671.38, 19,890,865.71 and 7,887,301.63 is: 10,884,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413,671.38 : 19,890,865.71 = 7,887,301.63 : x
  2. Step 2: Convert to fraction form
    14,413,671.38/19,890,865.71 = 7,887,301.63/x
  3. Step 3: Cross multiply
    14,413,671.38x = 19,890,865.71 × 7,887,301.63
  4. Step 4: Simplify right side
    14,413,671.38x = 156,885,257,486,866.97
  5. Step 5: Solve for x
    x = 156,885,257,486,866.97/14,413,671.38
  6. Step 6: Final answer
    x = 10,884,475.81

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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.