Home / 28,707,856.70-43,046,913.45-8,510,474.30

Finding the Fourth Proportional to 28,707,856.70, 43,046,913.45 and 8,510,474.30

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Solution

The fourth proportional to 28,707,856.70, 43,046,913.45 and 8,510,474.30 is: 12,761,302.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,707,856.70 : 43,046,913.45 = 8,510,474.30 : x
  2. Step 2: Convert to fraction form
    28,707,856.70/43,046,913.45 = 8,510,474.30/x
  3. Step 3: Cross multiply
    28,707,856.70x = 43,046,913.45 × 8,510,474.30
  4. Step 4: Simplify right side
    28,707,856.70x = 366,349,650,610,549.38
  5. Step 5: Solve for x
    x = 366,349,650,610,549.38/28,707,856.70
  6. Step 6: Final answer
    x = 12,761,302.75

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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.