Home / 15,769,934.20-23,645,570.10-8,211,662.20

Finding the Fourth Proportional to 15,769,934.20, 23,645,570.10 and 8,211,662.20

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Solution

The fourth proportional to 15,769,934.20, 23,645,570.10 and 8,211,662.20 is: 12,312,634.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,769,934.20 : 23,645,570.10 = 8,211,662.20 : x
  2. Step 2: Convert to fraction form
    15,769,934.20/23,645,570.10 = 8,211,662.20/x
  3. Step 3: Cross multiply
    15,769,934.20x = 23,645,570.10 × 8,211,662.20
  4. Step 4: Simplify right side
    15,769,934.20x = 194,169,434,187,620.25
  5. Step 5: Solve for x
    x = 194,169,434,187,620.25/15,769,934.20
  6. Step 6: Final answer
    x = 12,312,634.39

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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.