Home / 7,230,841.02-9,979,191.90-3,968,285.40

Finding the Fourth Proportional to 7,230,841.02, 9,979,191.90 and 3,968,285.40

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Solution

The fourth proportional to 7,230,841.02, 9,979,191.90 and 3,968,285.40 is: 5,476,580.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,230,841.02 : 9,979,191.90 = 3,968,285.40 : x
  2. Step 2: Convert to fraction form
    7,230,841.02/9,979,191.90 = 3,968,285.40/x
  3. Step 3: Cross multiply
    7,230,841.02x = 9,979,191.90 × 3,968,285.40
  4. Step 4: Simplify right side
    7,230,841.02x = 39,600,281,520,568.26
  5. Step 5: Solve for x
    x = 39,600,281,520,568.26/7,230,841.02
  6. Step 6: Final answer
    x = 5,476,580.31

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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.