Home / 6,985,342.76-10,478,016.97-3,142,677.65

Finding the Fourth Proportional to 6,985,342.76, 10,478,016.97 and 3,142,677.65

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Solution

The fourth proportional to 6,985,342.76, 10,478,016.97 and 3,142,677.65 is: 4,714,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985,342.76 : 10,478,016.97 = 3,142,677.65 : x
  2. Step 2: Convert to fraction form
    6,985,342.76/10,478,016.97 = 3,142,677.65/x
  3. Step 3: Cross multiply
    6,985,342.76x = 10,478,016.97 × 3,142,677.65
  4. Step 4: Simplify right side
    6,985,342.76x = 32,929,029,687,692.94
  5. Step 5: Solve for x
    x = 32,929,029,687,692.94/6,985,342.76
  6. Step 6: Final answer
    x = 4,714,017.74

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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.