Home / 28,620,162.15-42,930,243.23-17,141,036.55

Finding the Fourth Proportional to 28,620,162.15, 42,930,243.23 and 17,141,036.55

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Solution

The fourth proportional to 28,620,162.15, 42,930,243.23 and 17,141,036.55 is: 25,711,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,620,162.15 : 42,930,243.23 = 17,141,036.55 : x
  2. Step 2: Convert to fraction form
    28,620,162.15/42,930,243.23 = 17,141,036.55/x
  3. Step 3: Cross multiply
    28,620,162.15x = 42,930,243.23 × 17,141,036.55
  4. Step 4: Simplify right side
    28,620,162.15x = 735,868,868,220,114.88
  5. Step 5: Solve for x
    x = 735,868,868,220,114.88/28,620,162.15
  6. Step 6: Final answer
    x = 25,711,554.83

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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.