Home / 26,087,902.58-38,956,178.67-21,305,079.86

Finding the Fourth Proportional to 26,087,902.58, 38,956,178.67 and 21,305,079.86

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Solution

The fourth proportional to 26,087,902.58, 38,956,178.67 and 21,305,079.86 is: 31,814,151.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,087,902.58 : 38,956,178.67 = 21,305,079.86 : x
  2. Step 2: Convert to fraction form
    26,087,902.58/38,956,178.67 = 21,305,079.86/x
  3. Step 3: Cross multiply
    26,087,902.58x = 38,956,178.67 × 21,305,079.86
  4. Step 4: Simplify right side
    26,087,902.58x = 829,964,497,498,253.12
  5. Step 5: Solve for x
    x = 829,964,497,498,253.12/26,087,902.58
  6. Step 6: Final answer
    x = 31,814,151.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.