Home / 20,434,097.85-28,205,888.19-12,176,750.27

Finding the Fourth Proportional to 20,434,097.85, 28,205,888.19 and 12,176,750.27

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Solution

The fourth proportional to 20,434,097.85, 28,205,888.19 and 12,176,750.27 is: 16,807,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,434,097.85 : 28,205,888.19 = 12,176,750.27 : x
  2. Step 2: Convert to fraction form
    20,434,097.85/28,205,888.19 = 12,176,750.27/x
  3. Step 3: Cross multiply
    20,434,097.85x = 28,205,888.19 × 12,176,750.27
  4. Step 4: Simplify right side
    20,434,097.85x = 343,456,056,572,288.50
  5. Step 5: Solve for x
    x = 343,456,056,572,288.50/20,434,097.85
  6. Step 6: Final answer
    x = 16,807,987.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.