Home / 15,340,392.83-21,170,191.29-8,371,519.43

Finding the Fourth Proportional to 15,340,392.83, 21,170,191.29 and 8,371,519.43

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Solution

The fourth proportional to 15,340,392.83, 21,170,191.29 and 8,371,519.43 is: 11,552,941.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340,392.83 : 21,170,191.29 = 8,371,519.43 : x
  2. Step 2: Convert to fraction form
    15,340,392.83/21,170,191.29 = 8,371,519.43/x
  3. Step 3: Cross multiply
    15,340,392.83x = 21,170,191.29 × 8,371,519.43
  4. Step 4: Simplify right side
    15,340,392.83x = 177,226,667,615,200.78
  5. Step 5: Solve for x
    x = 177,226,667,615,200.78/15,340,392.83
  6. Step 6: Final answer
    x = 11,552,941.94

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1.5x scale

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.