Home / 28,230,955.80-42,251,955.30-19,727,899.80

Finding the Fourth Proportional to 28,230,955.80, 42,251,955.30 and 19,727,899.80

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Solution

The fourth proportional to 28,230,955.80, 42,251,955.30 and 19,727,899.80 is: 29,525,827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,230,955.80 : 42,251,955.30 = 19,727,899.80 : x
  2. Step 2: Convert to fraction form
    28,230,955.80/42,251,955.30 = 19,727,899.80/x
  3. Step 3: Cross multiply
    28,230,955.80x = 42,251,955.30 × 19,727,899.80
  4. Step 4: Simplify right side
    28,230,955.80x = 833,542,340,512,478.88
  5. Step 5: Solve for x
    x = 833,542,340,512,478.88/28,230,955.80
  6. Step 6: Final answer
    x = 29,525,827.83

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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.