Home / 13,238,487.70-19,857,731.55-4,715,748.70

Finding the Fourth Proportional to 13,238,487.70, 19,857,731.55 and 4,715,748.70

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Solution

The fourth proportional to 13,238,487.70, 19,857,731.55 and 4,715,748.70 is: 7,073,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238,487.70 : 19,857,731.55 = 4,715,748.70 : x
  2. Step 2: Convert to fraction form
    13,238,487.70/19,857,731.55 = 4,715,748.70/x
  3. Step 3: Cross multiply
    13,238,487.70x = 19,857,731.55 × 4,715,748.70
  4. Step 4: Simplify right side
    13,238,487.70x = 93,644,071,741,861.50
  5. Step 5: Solve for x
    x = 93,644,071,741,861.50/13,238,487.70
  6. Step 6: Final answer
    x = 7,073,623.05

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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.