Home / 20,178,628.80-30,267,943.20-17,344,276.80

Finding the Fourth Proportional to 20,178,628.80, 30,267,943.20 and 17,344,276.80

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Solution

The fourth proportional to 20,178,628.80, 30,267,943.20 and 17,344,276.80 is: 26,016,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,628.80 : 30,267,943.20 = 17,344,276.80 : x
  2. Step 2: Convert to fraction form
    20,178,628.80/30,267,943.20 = 17,344,276.80/x
  3. Step 3: Cross multiply
    20,178,628.80x = 30,267,943.20 × 17,344,276.80
  4. Step 4: Simplify right side
    20,178,628.80x = 524,975,585,027,477.75
  5. Step 5: Solve for x
    x = 524,975,585,027,477.75/20,178,628.80
  6. Step 6: Final answer
    x = 26,016,415.20

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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.