Home / 28,180,320.30-42,270,480.45-16,842,912.30

Finding the Fourth Proportional to 28,180,320.30, 42,270,480.45 and 16,842,912.30

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Solution

The fourth proportional to 28,180,320.30, 42,270,480.45 and 16,842,912.30 is: 25,264,368.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,180,320.30 : 42,270,480.45 = 16,842,912.30 : x
  2. Step 2: Convert to fraction form
    28,180,320.30/42,270,480.45 = 16,842,912.30/x
  3. Step 3: Cross multiply
    28,180,320.30x = 42,270,480.45 × 16,842,912.30
  4. Step 4: Simplify right side
    28,180,320.30x = 711,957,995,098,214.62
  5. Step 5: Solve for x
    x = 711,957,995,098,214.62/28,180,320.30
  6. Step 6: Final answer
    x = 25,264,368.45

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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.