Home / 8,188,378.69-12,276,096.29-4,087,595.18

Finding the Fourth Proportional to 8,188,378.69, 12,276,096.29 and 4,087,595.18

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Solution

The fourth proportional to 8,188,378.69, 12,276,096.29 and 4,087,595.18 is: 6,128,162.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188,378.69 : 12,276,096.29 = 4,087,595.18 : x
  2. Step 2: Convert to fraction form
    8,188,378.69/12,276,096.29 = 4,087,595.18/x
  3. Step 3: Cross multiply
    8,188,378.69x = 12,276,096.29 × 4,087,595.18
  4. Step 4: Simplify right side
    8,188,378.69x = 50,179,712,018,847.34
  5. Step 5: Solve for x
    x = 50,179,712,018,847.34/8,188,378.69
  6. Step 6: Final answer
    x = 6,128,162.11

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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.