Home / 31,838,036.64-43,936,639.38-18,087,755.28

Finding the Fourth Proportional to 31,838,036.64, 43,936,639.38 and 18,087,755.28

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Solution

The fourth proportional to 31,838,036.64, 43,936,639.38 and 18,087,755.28 is: 24,961,186.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838,036.64 : 43,936,639.38 = 18,087,755.28 : x
  2. Step 2: Convert to fraction form
    31,838,036.64/43,936,639.38 = 18,087,755.28/x
  3. Step 3: Cross multiply
    31,838,036.64x = 43,936,639.38 × 18,087,755.28
  4. Step 4: Simplify right side
    31,838,036.64x = 794,715,180,931,051
  5. Step 5: Solve for x
    x = 794,715,180,931,051/31,838,036.64
  6. Step 6: Final answer
    x = 24,961,186.83

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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.