Home / 9,268,595.40-13,902,893.10-5,480,128.20

Finding the Fourth Proportional to 9,268,595.40, 13,902,893.10 and 5,480,128.20

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Solution

The fourth proportional to 9,268,595.40, 13,902,893.10 and 5,480,128.20 is: 8,220,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268,595.40 : 13,902,893.10 = 5,480,128.20 : x
  2. Step 2: Convert to fraction form
    9,268,595.40/13,902,893.10 = 5,480,128.20/x
  3. Step 3: Cross multiply
    9,268,595.40x = 13,902,893.10 × 5,480,128.20
  4. Step 4: Simplify right side
    9,268,595.40x = 76,189,636,538,895.42
  5. Step 5: Solve for x
    x = 76,189,636,538,895.42/9,268,595.40
  6. Step 6: Final answer
    x = 8,220,192.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.