Home / 51,981,796-71,732,036.56-28,455,781.64

Finding the Fourth Proportional to 51,981,796, 71,732,036.56 and 28,455,781.64

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Solution

The fourth proportional to 51,981,796, 71,732,036.56 and 28,455,781.64 is: 39,267,422.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981,796 : 71,732,036.56 = 28,455,781.64 : x
  2. Step 2: Convert to fraction form
    51,981,796/71,732,036.56 = 28,455,781.64/x
  3. Step 3: Cross multiply
    51,981,796x = 71,732,036.56 × 28,455,781.64
  4. Step 4: Simplify right side
    51,981,796x = 2,041,191,168,943,856.75
  5. Step 5: Solve for x
    x = 2,041,191,168,943,856.75/51,981,796
  6. Step 6: Final answer
    x = 39,267,422.94

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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.