Home / 7,445,408.40-11,168,112.60-3,186,007.20

Finding the Fourth Proportional to 7,445,408.40, 11,168,112.60 and 3,186,007.20

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Solution

The fourth proportional to 7,445,408.40, 11,168,112.60 and 3,186,007.20 is: 4,779,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445,408.40 : 11,168,112.60 = 3,186,007.20 : x
  2. Step 2: Convert to fraction form
    7,445,408.40/11,168,112.60 = 3,186,007.20/x
  3. Step 3: Cross multiply
    7,445,408.40x = 11,168,112.60 × 3,186,007.20
  4. Step 4: Simplify right side
    7,445,408.40x = 35,581,687,154,010.72
  5. Step 5: Solve for x
    x = 35,581,687,154,010.72/7,445,408.40
  6. Step 6: Final answer
    x = 4,779,010.80

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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.