Home / 6,989,498.20-9,646,855.18-4,237,692.80

Finding the Fourth Proportional to 6,989,498.20, 9,646,855.18 and 4,237,692.80

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Solution

The fourth proportional to 6,989,498.20, 9,646,855.18 and 4,237,692.80 is: 5,848,833.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,498.20 : 9,646,855.18 = 4,237,692.80 : x
  2. Step 2: Convert to fraction form
    6,989,498.20/9,646,855.18 = 4,237,692.80/x
  3. Step 3: Cross multiply
    6,989,498.20x = 9,646,855.18 × 4,237,692.80
  4. Step 4: Simplify right side
    6,989,498.20x = 40,880,408,680,100.20
  5. Step 5: Solve for x
    x = 40,880,408,680,100.20/6,989,498.20
  6. Step 6: Final answer
    x = 5,848,833.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.