Home / 28,187,999.40-42,281,999.10-16,094,764.20

Finding the Fourth Proportional to 28,187,999.40, 42,281,999.10 and 16,094,764.20

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Solution

The fourth proportional to 28,187,999.40, 42,281,999.10 and 16,094,764.20 is: 24,142,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,187,999.40 : 42,281,999.10 = 16,094,764.20 : x
  2. Step 2: Convert to fraction form
    28,187,999.40/42,281,999.10 = 16,094,764.20/x
  3. Step 3: Cross multiply
    28,187,999.40x = 42,281,999.10 × 16,094,764.20
  4. Step 4: Simplify right side
    28,187,999.40x = 680,518,805,419,112.25
  5. Step 5: Solve for x
    x = 680,518,805,419,112.25/28,187,999.40
  6. Step 6: Final answer
    x = 24,142,146.30

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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.