Home / 31,565,807.68-43,556,144.16-19,169,454.40

Finding the Fourth Proportional to 31,565,807.68, 43,556,144.16 and 19,169,454.40

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Solution

The fourth proportional to 31,565,807.68, 43,556,144.16 and 19,169,454.40 is: 26,451,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,565,807.68 : 43,556,144.16 = 19,169,454.40 : x
  2. Step 2: Convert to fraction form
    31,565,807.68/43,556,144.16 = 19,169,454.40/x
  3. Step 3: Cross multiply
    31,565,807.68x = 43,556,144.16 × 19,169,454.40
  4. Step 4: Simplify right side
    31,565,807.68x = 834,947,519,314,946.12
  5. Step 5: Solve for x
    x = 834,947,519,314,946.12/31,565,807.68
  6. Step 6: Final answer
    x = 26,451,010.78

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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.