Home / 9,715,384.80-14,582,408.40-4,928,479.20

Finding the Fourth Proportional to 9,715,384.80, 14,582,408.40 and 4,928,479.20

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Solution

The fourth proportional to 9,715,384.80, 14,582,408.40 and 4,928,479.20 is: 7,397,452.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715,384.80 : 14,582,408.40 = 4,928,479.20 : x
  2. Step 2: Convert to fraction form
    9,715,384.80/14,582,408.40 = 4,928,479.20/x
  3. Step 3: Cross multiply
    9,715,384.80x = 14,582,408.40 × 4,928,479.20
  4. Step 4: Simplify right side
    9,715,384.80x = 71,869,096,485,305.28
  5. Step 5: Solve for x
    x = 71,869,096,485,305.28/9,715,384.80
  6. Step 6: Final answer
    x = 7,397,452.39

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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.