Home / 8,880,970.88-12,255,842.03-5,209,949.90

Finding the Fourth Proportional to 8,880,970.88, 12,255,842.03 and 5,209,949.90

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Solution

The fourth proportional to 8,880,970.88, 12,255,842.03 and 5,209,949.90 is: 7,189,790.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880,970.88 : 12,255,842.03 = 5,209,949.90 : x
  2. Step 2: Convert to fraction form
    8,880,970.88/12,255,842.03 = 5,209,949.90/x
  3. Step 3: Cross multiply
    8,880,970.88x = 12,255,842.03 × 5,209,949.90
  4. Step 4: Simplify right side
    8,880,970.88x = 63,852,322,958,614.30
  5. Step 5: Solve for x
    x = 63,852,322,958,614.30/8,880,970.88
  6. Step 6: Final answer
    x = 7,189,790.83

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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.