Home / 10,203,015.60-15,304,523.40-7,173,801.90

Finding the Fourth Proportional to 10,203,015.60, 15,304,523.40 and 7,173,801.90

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Solution

The fourth proportional to 10,203,015.60, 15,304,523.40 and 7,173,801.90 is: 10,760,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203,015.60 : 15,304,523.40 = 7,173,801.90 : x
  2. Step 2: Convert to fraction form
    10,203,015.60/15,304,523.40 = 7,173,801.90/x
  3. Step 3: Cross multiply
    10,203,015.60x = 15,304,523.40 × 7,173,801.90
  4. Step 4: Simplify right side
    10,203,015.60x = 109,791,619,045,514.47
  5. Step 5: Solve for x
    x = 109,791,619,045,514.47/10,203,015.60
  6. Step 6: Final answer
    x = 10,760,702.85

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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.