Home / 8,972,365.20-13,458,547.80-8,279,523.60

Finding the Fourth Proportional to 8,972,365.20, 13,458,547.80 and 8,279,523.60

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Solution

The fourth proportional to 8,972,365.20, 13,458,547.80 and 8,279,523.60 is: 12,419,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972,365.20 : 13,458,547.80 = 8,279,523.60 : x
  2. Step 2: Convert to fraction form
    8,972,365.20/13,458,547.80 = 8,279,523.60/x
  3. Step 3: Cross multiply
    8,972,365.20x = 13,458,547.80 × 8,279,523.60
  4. Step 4: Simplify right side
    8,972,365.20x = 111,430,364,131,828.08
  5. Step 5: Solve for x
    x = 111,430,364,131,828.08/8,972,365.20
  6. Step 6: Final answer
    x = 12,419,285.40

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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.