Home / 22,428,079.20-33,642,118.80-18,442,271.70

Finding the Fourth Proportional to 22,428,079.20, 33,642,118.80 and 18,442,271.70

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Solution

The fourth proportional to 22,428,079.20, 33,642,118.80 and 18,442,271.70 is: 27,663,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428,079.20 : 33,642,118.80 = 18,442,271.70 : x
  2. Step 2: Convert to fraction form
    22,428,079.20/33,642,118.80 = 18,442,271.70/x
  3. Step 3: Cross multiply
    22,428,079.20x = 33,642,118.80 × 18,442,271.70
  4. Step 4: Simplify right side
    22,428,079.20x = 620,437,095,473,277.88
  5. Step 5: Solve for x
    x = 620,437,095,473,277.88/22,428,079.20
  6. Step 6: Final answer
    x = 27,663,407.55

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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.