Home / 12,944,665.71-19,403,348.78-4,306,458.92

Finding the Fourth Proportional to 12,944,665.71, 19,403,348.78 and 4,306,458.92

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Solution

The fourth proportional to 12,944,665.71, 19,403,348.78 and 4,306,458.92 is: 6,455,147.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,665.71 : 19,403,348.78 = 4,306,458.92 : x
  2. Step 2: Convert to fraction form
    12,944,665.71/19,403,348.78 = 4,306,458.92/x
  3. Step 3: Cross multiply
    12,944,665.71x = 19,403,348.78 × 4,306,458.92
  4. Step 4: Simplify right side
    12,944,665.71x = 83,559,724,431,502.12
  5. Step 5: Solve for x
    x = 83,559,724,431,502.12/12,944,665.71
  6. Step 6: Final answer
    x = 6,455,147.34

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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.