Home / 28,779,884.73-43,192,213.45-20,087,515.89

Finding the Fourth Proportional to 28,779,884.73, 43,192,213.45 and 20,087,515.89

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Solution

The fourth proportional to 28,779,884.73, 43,192,213.45 and 20,087,515.89 is: 30,146,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779,884.73 : 43,192,213.45 = 20,087,515.89 : x
  2. Step 2: Convert to fraction form
    28,779,884.73/43,192,213.45 = 20,087,515.89/x
  3. Step 3: Cross multiply
    28,779,884.73x = 43,192,213.45 × 20,087,515.89
  4. Step 4: Simplify right side
    28,779,884.73x = 867,624,273,950,927.88
  5. Step 5: Solve for x
    x = 867,624,273,950,927.88/28,779,884.73
  6. Step 6: Final answer
    x = 30,146,898.85

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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.