Home / 25,197,827.20-37,796,740.80-20,158,979.20

Finding the Fourth Proportional to 25,197,827.20, 37,796,740.80 and 20,158,979.20

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Solution

The fourth proportional to 25,197,827.20, 37,796,740.80 and 20,158,979.20 is: 30,238,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,197,827.20 : 37,796,740.80 = 20,158,979.20 : x
  2. Step 2: Convert to fraction form
    25,197,827.20/37,796,740.80 = 20,158,979.20/x
  3. Step 3: Cross multiply
    25,197,827.20x = 37,796,740.80 × 20,158,979.20
  4. Step 4: Simplify right side
    25,197,827.20x = 761,943,711,614,991.25
  5. Step 5: Solve for x
    x = 761,943,711,614,991.25/25,197,827.20
  6. Step 6: Final answer
    x = 30,238,468.80

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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.