Home / 31,772,876.54-43,708,977.95-27,834,898.73

Finding the Fourth Proportional to 31,772,876.54, 43,708,977.95 and 27,834,898.73

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Solution

The fourth proportional to 31,772,876.54, 43,708,977.95 and 27,834,898.73 is: 38,291,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,772,876.54 : 43,708,977.95 = 27,834,898.73 : x
  2. Step 2: Convert to fraction form
    31,772,876.54/43,708,977.95 = 27,834,898.73/x
  3. Step 3: Cross multiply
    31,772,876.54x = 43,708,977.95 × 27,834,898.73
  4. Step 4: Simplify right side
    31,772,876.54x = 1,216,634,974,472,333.75
  5. Step 5: Solve for x
    x = 1,216,634,974,472,333.75/31,772,876.54
  6. Step 6: Final answer
    x = 38,291,621.88

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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.