Home / 52,015,665.82-71,781,617.52-28,812,287.46

Finding the Fourth Proportional to 52,015,665.82, 71,781,617.52 and 28,812,287.46

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Solution

The fourth proportional to 52,015,665.82, 71,781,617.52 and 28,812,287.46 is: 39,760,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,015,665.82 : 71,781,617.52 = 28,812,287.46 : x
  2. Step 2: Convert to fraction form
    52,015,665.82/71,781,617.52 = 28,812,287.46/x
  3. Step 3: Cross multiply
    52,015,665.82x = 71,781,617.52 × 28,812,287.46
  4. Step 4: Simplify right side
    52,015,665.82x = 2,068,192,598,060,831.25
  5. Step 5: Solve for x
    x = 2,068,192,598,060,831.25/52,015,665.82
  6. Step 6: Final answer
    x = 39,760,955.97

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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.