Home / 39,917,932.95-55,086,426.61-23,174,226.12

Finding the Fourth Proportional to 39,917,932.95, 55,086,426.61 and 23,174,226.12

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Solution

The fourth proportional to 39,917,932.95, 55,086,426.61 and 23,174,226.12 is: 31,980,245.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,917,932.95 : 55,086,426.61 = 23,174,226.12 : x
  2. Step 2: Convert to fraction form
    39,917,932.95/55,086,426.61 = 23,174,226.12/x
  3. Step 3: Cross multiply
    39,917,932.95x = 55,086,426.61 × 23,174,226.12
  4. Step 4: Simplify right side
    39,917,932.95x = 1,276,585,306,344,989.50
  5. Step 5: Solve for x
    x = 1,276,585,306,344,989.50/39,917,932.95
  6. Step 6: Final answer
    x = 31,980,245.77

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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.