Home / 31,177,803.07-43,005,095.22-19,996,585.75

Finding the Fourth Proportional to 31,177,803.07, 43,005,095.22 and 19,996,585.75

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Solution

The fourth proportional to 31,177,803.07, 43,005,095.22 and 19,996,585.75 is: 27,582,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177,803.07 : 43,005,095.22 = 19,996,585.75 : x
  2. Step 2: Convert to fraction form
    31,177,803.07/43,005,095.22 = 19,996,585.75/x
  3. Step 3: Cross multiply
    31,177,803.07x = 43,005,095.22 × 19,996,585.75
  4. Step 4: Simplify right side
    31,177,803.07x = 859,955,074,099,906
  5. Step 5: Solve for x
    x = 859,955,074,099,906/31,177,803.07
  6. Step 6: Final answer
    x = 27,582,285.78

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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.