Home / 8,127,101.40-11,215,314.48-4,456,008.93

Finding the Fourth Proportional to 8,127,101.40, 11,215,314.48 and 4,456,008.93

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Solution

The fourth proportional to 8,127,101.40, 11,215,314.48 and 4,456,008.93 is: 6,149,245.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127,101.40 : 11,215,314.48 = 4,456,008.93 : x
  2. Step 2: Convert to fraction form
    8,127,101.40/11,215,314.48 = 4,456,008.93/x
  3. Step 3: Cross multiply
    8,127,101.40x = 11,215,314.48 × 4,456,008.93
  4. Step 4: Simplify right side
    8,127,101.40x = 49,975,541,475,638.30
  5. Step 5: Solve for x
    x = 49,975,541,475,638.30/8,127,101.40
  6. Step 6: Final answer
    x = 6,149,245.47

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Double scale
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Similar ratio
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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.