Home / 13,485,009.10-20,227,513.65-13,261,060.30

Finding the Fourth Proportional to 13,485,009.10, 20,227,513.65 and 13,261,060.30

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Solution

The fourth proportional to 13,485,009.10, 20,227,513.65 and 13,261,060.30 is: 19,891,590.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485,009.10 : 20,227,513.65 = 13,261,060.30 : x
  2. Step 2: Convert to fraction form
    13,485,009.10/20,227,513.65 = 13,261,060.30/x
  3. Step 3: Cross multiply
    13,485,009.10x = 20,227,513.65 × 13,261,060.30
  4. Step 4: Simplify right side
    13,485,009.10x = 268,238,278,231,723.09
  5. Step 5: Solve for x
    x = 268,238,278,231,723.09/13,485,009.10
  6. Step 6: Final answer
    x = 19,891,590.45

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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.