Home / 9,125,871.40-13,689,519.90-4,077,692.20

Finding the Fourth Proportional to 9,125,871.40, 13,689,519.90 and 4,077,692.20

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Solution

The fourth proportional to 9,125,871.40, 13,689,519.90 and 4,077,692.20 is: 6,116,856.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125,871.40 : 13,689,519.90 = 4,077,692.20 : x
  2. Step 2: Convert to fraction form
    9,125,871.40/13,689,519.90 = 4,077,692.20/x
  3. Step 3: Cross multiply
    9,125,871.40x = 13,689,519.90 × 4,077,692.20
  4. Step 4: Simplify right side
    9,125,871.40x = 55,821,648,517,974.78
  5. Step 5: Solve for x
    x = 55,821,648,517,974.78/9,125,871.40
  6. Step 6: Final answer
    x = 6,116,856.80

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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.