Home / 13,452,022.80-20,178,034.20-13,326,051.60

Finding the Fourth Proportional to 13,452,022.80, 20,178,034.20 and 13,326,051.60

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Solution

The fourth proportional to 13,452,022.80, 20,178,034.20 and 13,326,051.60 is: 19,989,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,022.80 : 20,178,034.20 = 13,326,051.60 : x
  2. Step 2: Convert to fraction form
    13,452,022.80/20,178,034.20 = 13,326,051.60/x
  3. Step 3: Cross multiply
    13,452,022.80x = 20,178,034.20 × 13,326,051.60
  4. Step 4: Simplify right side
    13,452,022.80x = 268,893,524,935,764.69
  5. Step 5: Solve for x
    x = 268,893,524,935,764.69/13,452,022.80
  6. Step 6: Final answer
    x = 19,989,077.40

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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.