Home / 8,579,265.92-12,868,888.53-2,189,518.95

Finding the Fourth Proportional to 8,579,265.92, 12,868,888.53 and 2,189,518.95

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Solution

The fourth proportional to 8,579,265.92, 12,868,888.53 and 2,189,518.95 is: 3,284,275.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,265.92 : 12,868,888.53 = 2,189,518.95 : x
  2. Step 2: Convert to fraction form
    8,579,265.92/12,868,888.53 = 2,189,518.95/x
  3. Step 3: Cross multiply
    8,579,265.92x = 12,868,888.53 × 2,189,518.95
  4. Step 4: Simplify right side
    8,579,265.92x = 28,176,675,301,872.64
  5. Step 5: Solve for x
    x = 28,176,675,301,872.64/8,579,265.92
  6. Step 6: Final answer
    x = 3,284,275.79

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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.