Home / 28,931,187.60-43,381,013.40-8,733,805.20

Finding the Fourth Proportional to 28,931,187.60, 43,381,013.40 and 8,733,805.20

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Solution

The fourth proportional to 28,931,187.60, 43,381,013.40 and 8,733,805.20 is: 13,095,947.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,931,187.60 : 43,381,013.40 = 8,733,805.20 : x
  2. Step 2: Convert to fraction form
    28,931,187.60/43,381,013.40 = 8,733,805.20/x
  3. Step 3: Cross multiply
    28,931,187.60x = 43,381,013.40 × 8,733,805.20
  4. Step 4: Simplify right side
    28,931,187.60x = 378,881,320,414,189.62
  5. Step 5: Solve for x
    x = 378,881,320,414,189.62/28,931,187.60
  6. Step 6: Final answer
    x = 13,095,947.72

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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.