Home / 9,072,100.80-13,608,151.20-5,481,921.60

Finding the Fourth Proportional to 9,072,100.80, 13,608,151.20 and 5,481,921.60

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Solution

The fourth proportional to 9,072,100.80, 13,608,151.20 and 5,481,921.60 is: 8,222,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,100.80 : 13,608,151.20 = 5,481,921.60 : x
  2. Step 2: Convert to fraction form
    9,072,100.80/13,608,151.20 = 5,481,921.60/x
  3. Step 3: Cross multiply
    9,072,100.80x = 13,608,151.20 × 5,481,921.60
  4. Step 4: Simplify right side
    9,072,100.80x = 74,598,817,999,345.91
  5. Step 5: Solve for x
    x = 74,598,817,999,345.91/9,072,100.80
  6. Step 6: Final answer
    x = 8,222,882.40

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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.