Home / 8,579,268.60-12,868,892.53-2,189,521.63

Finding the Fourth Proportional to 8,579,268.60, 12,868,892.53 and 2,189,521.63

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Solution

The fourth proportional to 8,579,268.60, 12,868,892.53 and 2,189,521.63 is: 3,284,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,268.60 : 12,868,892.53 = 2,189,521.63 : x
  2. Step 2: Convert to fraction form
    8,579,268.60/12,868,892.53 = 2,189,521.63/x
  3. Step 3: Cross multiply
    8,579,268.60x = 12,868,892.53 × 2,189,521.63
  4. Step 4: Simplify right side
    8,579,268.60x = 28,176,718,571,508.80
  5. Step 5: Solve for x
    x = 28,176,718,571,508.80/8,579,268.60
  6. Step 6: Final answer
    x = 3,284,279.80

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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.