Home / 28,016,353.20-42,030,434.70-8,849,047.80

Finding the Fourth Proportional to 28,016,353.20, 42,030,434.70 and 8,849,047.80

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Solution

The fourth proportional to 28,016,353.20, 42,030,434.70 and 8,849,047.80 is: 13,275,436.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016,353.20 : 42,030,434.70 = 8,849,047.80 : x
  2. Step 2: Convert to fraction form
    28,016,353.20/42,030,434.70 = 8,849,047.80/x
  3. Step 3: Cross multiply
    28,016,353.20x = 42,030,434.70 × 8,849,047.80
  4. Step 4: Simplify right side
    28,016,353.20x = 371,929,325,715,078.69
  5. Step 5: Solve for x
    x = 371,929,325,715,078.69/28,016,353.20
  6. Step 6: Final answer
    x = 13,275,436.78

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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.