Home / 28,886,713.70-43,329,633.14-7,027,298.78

Finding the Fourth Proportional to 28,886,713.70, 43,329,633.14 and 7,027,298.78

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Solution

The fourth proportional to 28,886,713.70, 43,329,633.14 and 7,027,298.78 is: 10,540,841.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886,713.70 : 43,329,633.14 = 7,027,298.78 : x
  2. Step 2: Convert to fraction form
    28,886,713.70/43,329,633.14 = 7,027,298.78/x
  3. Step 3: Cross multiply
    28,886,713.70x = 43,329,633.14 × 7,027,298.78
  4. Step 4: Simplify right side
    28,886,713.70x = 304,490,277,903,489.62
  5. Step 5: Solve for x
    x = 304,490,277,903,489.62/28,886,713.70
  6. Step 6: Final answer
    x = 10,540,841.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.