Home / 40,378,532.80-60,567,799.20-16,121,203.60

Finding the Fourth Proportional to 40,378,532.80, 60,567,799.20 and 16,121,203.60

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Solution

The fourth proportional to 40,378,532.80, 60,567,799.20 and 16,121,203.60 is: 24,181,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,378,532.80 : 60,567,799.20 = 16,121,203.60 : x
  2. Step 2: Convert to fraction form
    40,378,532.80/60,567,799.20 = 16,121,203.60/x
  3. Step 3: Cross multiply
    40,378,532.80x = 60,567,799.20 × 16,121,203.60
  4. Step 4: Simplify right side
    40,378,532.80x = 976,425,822,507,117.12
  5. Step 5: Solve for x
    x = 976,425,822,507,117.12/40,378,532.80
  6. Step 6: Final answer
    x = 24,181,805.40

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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.