Home / 9,114,007.20-13,671,010.80-8,972,289.60

Finding the Fourth Proportional to 9,114,007.20, 13,671,010.80 and 8,972,289.60

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Solution

The fourth proportional to 9,114,007.20, 13,671,010.80 and 8,972,289.60 is: 13,458,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,114,007.20 : 13,671,010.80 = 8,972,289.60 : x
  2. Step 2: Convert to fraction form
    9,114,007.20/13,671,010.80 = 8,972,289.60/x
  3. Step 3: Cross multiply
    9,114,007.20x = 13,671,010.80 × 8,972,289.60
  4. Step 4: Simplify right side
    9,114,007.20x = 122,660,268,022,327.69
  5. Step 5: Solve for x
    x = 122,660,268,022,327.69/9,114,007.20
  6. Step 6: Final answer
    x = 13,458,434.40

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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.