Home / 13,359,549.48-18,436,101.30-7,247,846.76

Finding the Fourth Proportional to 13,359,549.48, 18,436,101.30 and 7,247,846.76

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Solution

The fourth proportional to 13,359,549.48, 18,436,101.30 and 7,247,846.76 is: 10,001,986.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359,549.48 : 18,436,101.30 = 7,247,846.76 : x
  2. Step 2: Convert to fraction form
    13,359,549.48/18,436,101.30 = 7,247,846.76/x
  3. Step 3: Cross multiply
    13,359,549.48x = 18,436,101.30 × 7,247,846.76
  4. Step 4: Simplify right side
    13,359,549.48x = 133,622,037,074,236.80
  5. Step 5: Solve for x
    x = 133,622,037,074,236.80/13,359,549.48
  6. Step 6: Final answer
    x = 10,001,986.76

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Double scale
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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.