Home / 8,449,341.12-12,668,948.64-2,689,586.64

Finding the Fourth Proportional to 8,449,341.12, 12,668,948.64 and 2,689,586.64

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Solution

The fourth proportional to 8,449,341.12, 12,668,948.64 and 2,689,586.64 is: 4,032,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449,341.12 : 12,668,948.64 = 2,689,586.64 : x
  2. Step 2: Convert to fraction form
    8,449,341.12/12,668,948.64 = 2,689,586.64/x
  3. Step 3: Cross multiply
    8,449,341.12x = 12,668,948.64 × 2,689,586.64
  4. Step 4: Simplify right side
    8,449,341.12x = 34,074,235,004,990.17
  5. Step 5: Solve for x
    x = 34,074,235,004,990.17/8,449,341.12
  6. Step 6: Final answer
    x = 4,032,768.30

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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.