Home / 8,248,190.40-12,372,285.60-7,185,308.40

Finding the Fourth Proportional to 8,248,190.40, 12,372,285.60 and 7,185,308.40

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Solution

The fourth proportional to 8,248,190.40, 12,372,285.60 and 7,185,308.40 is: 10,777,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248,190.40 : 12,372,285.60 = 7,185,308.40 : x
  2. Step 2: Convert to fraction form
    8,248,190.40/12,372,285.60 = 7,185,308.40/x
  3. Step 3: Cross multiply
    8,248,190.40x = 12,372,285.60 × 7,185,308.40
  4. Step 4: Simplify right side
    8,248,190.40x = 88,898,687,648,879.05
  5. Step 5: Solve for x
    x = 88,898,687,648,879.05/8,248,190.40
  6. Step 6: Final answer
    x = 10,777,962.60

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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.