Home / 31,386,794.16-47,081,074.64-8,667,691.36

Finding the Fourth Proportional to 31,386,794.16, 47,081,074.64 and 8,667,691.36

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Solution

The fourth proportional to 31,386,794.16, 47,081,074.64 and 8,667,691.36 is: 13,001,781.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,386,794.16 : 47,081,074.64 = 8,667,691.36 : x
  2. Step 2: Convert to fraction form
    31,386,794.16/47,081,074.64 = 8,667,691.36/x
  3. Step 3: Cross multiply
    31,386,794.16x = 47,081,074.64 × 8,667,691.36
  4. Step 4: Simplify right side
    31,386,794.16x = 408,084,223,876,643.06
  5. Step 5: Solve for x
    x = 408,084,223,876,643.06/31,386,794.16
  6. Step 6: Final answer
    x = 13,001,781.00

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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.