Home / 18,187,280.80-27,202,189.20-16,281,966.40

Finding the Fourth Proportional to 18,187,280.80, 27,202,189.20 and 16,281,966.40

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Solution

The fourth proportional to 18,187,280.80, 27,202,189.20 and 16,281,966.40 is: 24,352,465.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,280.80 : 27,202,189.20 = 16,281,966.40 : x
  2. Step 2: Convert to fraction form
    18,187,280.80/27,202,189.20 = 16,281,966.40/x
  3. Step 3: Cross multiply
    18,187,280.80x = 27,202,189.20 × 16,281,966.40
  4. Step 4: Simplify right side
    18,187,280.80x = 442,905,130,560,842.88
  5. Step 5: Solve for x
    x = 442,905,130,560,842.88/18,187,280.80
  6. Step 6: Final answer
    x = 24,352,465.63

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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.