Home / 6,979,219.08-9,638,665.11-6,218,420.10

Finding the Fourth Proportional to 6,979,219.08, 9,638,665.11 and 6,218,420.10

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Solution

The fourth proportional to 6,979,219.08, 9,638,665.11 and 6,218,420.10 is: 8,587,962.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979,219.08 : 9,638,665.11 = 6,218,420.10 : x
  2. Step 2: Convert to fraction form
    6,979,219.08/9,638,665.11 = 6,218,420.10/x
  3. Step 3: Cross multiply
    6,979,219.08x = 9,638,665.11 × 6,218,420.10
  4. Step 4: Simplify right side
    6,979,219.08x = 59,937,268,857,192.70
  5. Step 5: Solve for x
    x = 59,937,268,857,192.70/6,979,219.08
  6. Step 6: Final answer
    x = 8,587,962.09

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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.