Home / 7,893,742.80-11,840,614.20-5,741,734.80

Finding the Fourth Proportional to 7,893,742.80, 11,840,614.20 and 5,741,734.80

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Solution

The fourth proportional to 7,893,742.80, 11,840,614.20 and 5,741,734.80 is: 8,612,602.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893,742.80 : 11,840,614.20 = 5,741,734.80 : x
  2. Step 2: Convert to fraction form
    7,893,742.80/11,840,614.20 = 5,741,734.80/x
  3. Step 3: Cross multiply
    7,893,742.80x = 11,840,614.20 × 5,741,734.80
  4. Step 4: Simplify right side
    7,893,742.80x = 67,985,666,605,514.16
  5. Step 5: Solve for x
    x = 67,985,666,605,514.16/7,893,742.80
  6. Step 6: Final answer
    x = 8,612,602.20

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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.