Home / 6,388,612.80-9,582,919.20-5,926,718.40

Finding the Fourth Proportional to 6,388,612.80, 9,582,919.20 and 5,926,718.40

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Solution

The fourth proportional to 6,388,612.80, 9,582,919.20 and 5,926,718.40 is: 8,890,077.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,612.80 : 9,582,919.20 = 5,926,718.40 : x
  2. Step 2: Convert to fraction form
    6,388,612.80/9,582,919.20 = 5,926,718.40/x
  3. Step 3: Cross multiply
    6,388,612.80x = 9,582,919.20 × 5,926,718.40
  4. Step 4: Simplify right side
    6,388,612.80x = 56,795,263,548,353.28
  5. Step 5: Solve for x
    x = 56,795,263,548,353.28/6,388,612.80
  6. Step 6: Final answer
    x = 8,890,077.60

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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.