Home / 6,475,387.20-9,713,080.80-3,290,337.60

Finding the Fourth Proportional to 6,475,387.20, 9,713,080.80 and 3,290,337.60

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Solution

The fourth proportional to 6,475,387.20, 9,713,080.80 and 3,290,337.60 is: 4,935,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475,387.20 : 9,713,080.80 = 3,290,337.60 : x
  2. Step 2: Convert to fraction form
    6,475,387.20/9,713,080.80 = 3,290,337.60/x
  3. Step 3: Cross multiply
    6,475,387.20x = 9,713,080.80 × 3,290,337.60
  4. Step 4: Simplify right side
    6,475,387.20x = 31,959,314,968,078.08
  5. Step 5: Solve for x
    x = 31,959,314,968,078.08/6,475,387.20
  6. Step 6: Final answer
    x = 4,935,506.40

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Similar ratio
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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.