Home / 8,579,268.46-12,868,892.34-2,189,521.50

Finding the Fourth Proportional to 8,579,268.46, 12,868,892.34 and 2,189,521.50

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Solution

The fourth proportional to 8,579,268.46, 12,868,892.34 and 2,189,521.50 is: 3,284,279.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,268.46 : 12,868,892.34 = 2,189,521.50 : x
  2. Step 2: Convert to fraction form
    8,579,268.46/12,868,892.34 = 2,189,521.50/x
  3. Step 3: Cross multiply
    8,579,268.46x = 12,868,892.34 × 2,189,521.50
  4. Step 4: Simplify right side
    8,579,268.46x = 28,176,716,459,615.31
  5. Step 5: Solve for x
    x = 28,176,716,459,615.31/8,579,268.46
  6. Step 6: Final answer
    x = 3,284,279.61

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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.