Home / 14,631,600.11-20,191,343.90-8,105,209.38

Finding the Fourth Proportional to 14,631,600.11, 20,191,343.90 and 8,105,209.38

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Solution

The fourth proportional to 14,631,600.11, 20,191,343.90 and 8,105,209.38 is: 11,185,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631,600.11 : 20,191,343.90 = 8,105,209.38 : x
  2. Step 2: Convert to fraction form
    14,631,600.11/20,191,343.90 = 8,105,209.38/x
  3. Step 3: Cross multiply
    14,631,600.11x = 20,191,343.90 × 8,105,209.38
  4. Step 4: Simplify right side
    14,631,600.11x = 163,655,069,932,559.72
  5. Step 5: Solve for x
    x = 163,655,069,932,559.72/14,631,600.11
  6. Step 6: Final answer
    x = 11,185,042.56

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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.