Home / 8,579,264.73-12,868,886.75-2,189,517.77

Finding the Fourth Proportional to 8,579,264.73, 12,868,886.75 and 2,189,517.77

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Solution

The fourth proportional to 8,579,264.73, 12,868,886.75 and 2,189,517.77 is: 3,284,274.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,264.73 : 12,868,886.75 = 2,189,517.77 : x
  2. Step 2: Convert to fraction form
    8,579,264.73/12,868,886.75 = 2,189,517.77/x
  3. Step 3: Cross multiply
    8,579,264.73x = 12,868,886.75 × 2,189,517.77
  4. Step 4: Simplify right side
    8,579,264.73x = 28,176,656,143,950.52
  5. Step 5: Solve for x
    x = 28,176,656,143,950.52/8,579,264.73
  6. Step 6: Final answer
    x = 3,284,274.01

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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.