Home / 6,446,122.40-9,657,519.60-5,107,095.20

Finding the Fourth Proportional to 6,446,122.40, 9,657,519.60 and 5,107,095.20

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Solution

The fourth proportional to 6,446,122.40, 9,657,519.60 and 5,107,095.20 is: 7,651,401.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446,122.40 : 9,657,519.60 = 5,107,095.20 : x
  2. Step 2: Convert to fraction form
    6,446,122.40/9,657,519.60 = 5,107,095.20/x
  3. Step 3: Cross multiply
    6,446,122.40x = 9,657,519.60 × 5,107,095.20
  4. Step 4: Simplify right side
    6,446,122.40x = 49,321,871,993,065.92
  5. Step 5: Solve for x
    x = 49,321,871,993,065.92/6,446,122.40
  6. Step 6: Final answer
    x = 7,651,401.72

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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.