Home / 8,253,221.60-12,356,212.80-7,308,437.60

Finding the Fourth Proportional to 8,253,221.60, 12,356,212.80 and 7,308,437.60

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Solution

The fourth proportional to 8,253,221.60, 12,356,212.80 and 7,308,437.60 is: 10,941,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253,221.60 : 12,356,212.80 = 7,308,437.60 : x
  2. Step 2: Convert to fraction form
    8,253,221.60/12,356,212.80 = 7,308,437.60/x
  3. Step 3: Cross multiply
    8,253,221.60x = 12,356,212.80 × 7,308,437.60
  4. Step 4: Simplify right side
    8,253,221.60x = 90,304,610,221,121.28
  5. Step 5: Solve for x
    x = 90,304,610,221,121.28/8,253,221.60
  6. Step 6: Final answer
    x = 10,941,740.64

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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.