Home / 13,444,921.66-18,555,560.49-7,644,572.50

Finding the Fourth Proportional to 13,444,921.66, 18,555,560.49 and 7,644,572.50

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Solution

The fourth proportional to 13,444,921.66, 18,555,560.49 and 7,644,572.50 is: 10,550,401.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444,921.66 : 18,555,560.49 = 7,644,572.50 : x
  2. Step 2: Convert to fraction form
    13,444,921.66/18,555,560.49 = 7,644,572.50/x
  3. Step 3: Cross multiply
    13,444,921.66x = 18,555,560.49 × 7,644,572.50
  4. Step 4: Simplify right side
    13,444,921.66x = 141,849,327,443,940.50
  5. Step 5: Solve for x
    x = 141,849,327,443,940.50/13,444,921.66
  6. Step 6: Final answer
    x = 10,550,401.93

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1.5x scale

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.