Home / 13,238,499.70-19,857,749.55-4,715,760.70

Finding the Fourth Proportional to 13,238,499.70, 19,857,749.55 and 4,715,760.70

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Solution

The fourth proportional to 13,238,499.70, 19,857,749.55 and 4,715,760.70 is: 7,073,641.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238,499.70 : 19,857,749.55 = 4,715,760.70 : x
  2. Step 2: Convert to fraction form
    13,238,499.70/19,857,749.55 = 4,715,760.70/x
  3. Step 3: Cross multiply
    13,238,499.70x = 19,857,749.55 × 4,715,760.70
  4. Step 4: Simplify right side
    13,238,499.70x = 93,644,394,918,332.69
  5. Step 5: Solve for x
    x = 93,644,394,918,332.69/13,238,499.70
  6. Step 6: Final answer
    x = 7,073,641.05

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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.