Home / 13,492,976.22-18,620,454.15-7,381,273.50

Finding the Fourth Proportional to 13,492,976.22, 18,620,454.15 and 7,381,273.50

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Solution

The fourth proportional to 13,492,976.22, 18,620,454.15 and 7,381,273.50 is: 10,186,237.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,492,976.22 : 18,620,454.15 = 7,381,273.50 : x
  2. Step 2: Convert to fraction form
    13,492,976.22/18,620,454.15 = 7,381,273.50/x
  3. Step 3: Cross multiply
    13,492,976.22x = 18,620,454.15 × 7,381,273.50
  4. Step 4: Simplify right side
    13,492,976.22x = 137,442,664,775,360.02
  5. Step 5: Solve for x
    x = 137,442,664,775,360.02/13,492,976.22
  6. Step 6: Final answer
    x = 10,186,237.83

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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.