Home / 7,328,015.60-10,992,023.40-5,438,447.60

Finding the Fourth Proportional to 7,328,015.60, 10,992,023.40 and 5,438,447.60

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Solution

The fourth proportional to 7,328,015.60, 10,992,023.40 and 5,438,447.60 is: 8,157,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,015.60 : 10,992,023.40 = 5,438,447.60 : x
  2. Step 2: Convert to fraction form
    7,328,015.60/10,992,023.40 = 5,438,447.60/x
  3. Step 3: Cross multiply
    7,328,015.60x = 10,992,023.40 × 5,438,447.60
  4. Step 4: Simplify right side
    7,328,015.60x = 59,779,543,278,873.84
  5. Step 5: Solve for x
    x = 59,779,543,278,873.84/7,328,015.60
  6. Step 6: Final answer
    x = 8,157,671.40

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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.