Home / 13,134,433.10-19,701,649.65-7,465,729.10

Finding the Fourth Proportional to 13,134,433.10, 19,701,649.65 and 7,465,729.10

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Solution

The fourth proportional to 13,134,433.10, 19,701,649.65 and 7,465,729.10 is: 11,198,593.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134,433.10 : 19,701,649.65 = 7,465,729.10 : x
  2. Step 2: Convert to fraction form
    13,134,433.10/19,701,649.65 = 7,465,729.10/x
  3. Step 3: Cross multiply
    13,134,433.10x = 19,701,649.65 × 7,465,729.10
  4. Step 4: Simplify right side
    13,134,433.10x = 147,087,179,110,009.78
  5. Step 5: Solve for x
    x = 147,087,179,110,009.78/13,134,433.10
  6. Step 6: Final answer
    x = 11,198,593.65

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Similar ratio
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1.5x scale

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.