Home / 7,565,356.40-11,348,034.60-3,779,423.60

Finding the Fourth Proportional to 7,565,356.40, 11,348,034.60 and 3,779,423.60

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Solution

The fourth proportional to 7,565,356.40, 11,348,034.60 and 3,779,423.60 is: 5,669,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565,356.40 : 11,348,034.60 = 3,779,423.60 : x
  2. Step 2: Convert to fraction form
    7,565,356.40/11,348,034.60 = 3,779,423.60/x
  3. Step 3: Cross multiply
    7,565,356.40x = 11,348,034.60 × 3,779,423.60
  4. Step 4: Simplify right side
    7,565,356.40x = 42,889,029,780,856.56
  5. Step 5: Solve for x
    x = 42,889,029,780,856.56/7,565,356.40
  6. Step 6: Final answer
    x = 5,669,135.40

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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.