Home / 7,230,842.02-9,979,193.28-3,968,286.40

Finding the Fourth Proportional to 7,230,842.02, 9,979,193.28 and 3,968,286.40

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Solution

The fourth proportional to 7,230,842.02, 9,979,193.28 and 3,968,286.40 is: 5,476,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230,842.02 : 9,979,193.28 = 3,968,286.40 : x
  2. Step 2: Convert to fraction form
    7,230,842.02/9,979,193.28 = 3,968,286.40/x
  3. Step 3: Cross multiply
    7,230,842.02x = 9,979,193.28 × 3,968,286.40
  4. Step 4: Simplify right side
    7,230,842.02x = 39,600,296,975,995.39
  5. Step 5: Solve for x
    x = 39,600,296,975,995.39/7,230,842.02
  6. Step 6: Final answer
    x = 5,476,581.69

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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.