Home / 7,452,002.40-11,178,003.60-5,184,520.80

Finding the Fourth Proportional to 7,452,002.40, 11,178,003.60 and 5,184,520.80

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Solution

The fourth proportional to 7,452,002.40, 11,178,003.60 and 5,184,520.80 is: 7,776,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452,002.40 : 11,178,003.60 = 5,184,520.80 : x
  2. Step 2: Convert to fraction form
    7,452,002.40/11,178,003.60 = 5,184,520.80/x
  3. Step 3: Cross multiply
    7,452,002.40x = 11,178,003.60 × 5,184,520.80
  4. Step 4: Simplify right side
    7,452,002.40x = 57,952,592,166,674.88
  5. Step 5: Solve for x
    x = 57,952,592,166,674.88/7,452,002.40
  6. Step 6: Final answer
    x = 7,776,781.20

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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.