Home / 13,692,151.08-18,895,865.22-7,581,251.88

Finding the Fourth Proportional to 13,692,151.08, 18,895,865.22 and 7,581,251.88

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Solution

The fourth proportional to 13,692,151.08, 18,895,865.22 and 7,581,251.88 is: 10,462,513.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692,151.08 : 18,895,865.22 = 7,581,251.88 : x
  2. Step 2: Convert to fraction form
    13,692,151.08/18,895,865.22 = 7,581,251.88/x
  3. Step 3: Cross multiply
    13,692,151.08x = 18,895,865.22 × 7,581,251.88
  4. Step 4: Simplify right side
    13,692,151.08x = 143,254,313,723,351.59
  5. Step 5: Solve for x
    x = 143,254,313,723,351.59/13,692,151.08
  6. Step 6: Final answer
    x = 10,462,513.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.