Home / 8,668,557.72-13,004,700.06-2,520,646.21

Finding the Fourth Proportional to 8,668,557.72, 13,004,700.06 and 2,520,646.21

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Solution

The fourth proportional to 8,668,557.72, 13,004,700.06 and 2,520,646.21 is: 3,781,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668,557.72 : 13,004,700.06 = 2,520,646.21 : x
  2. Step 2: Convert to fraction form
    8,668,557.72/13,004,700.06 = 2,520,646.21/x
  3. Step 3: Cross multiply
    8,668,557.72x = 13,004,700.06 × 2,520,646.21
  4. Step 4: Simplify right side
    8,668,557.72x = 32,780,247,929,955.44
  5. Step 5: Solve for x
    x = 32,780,247,929,955.44/8,668,557.72
  6. Step 6: Final answer
    x = 3,781,511.18

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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.