Home / 8,196,391.98-11,300,506.88-6,720,864.12

Finding the Fourth Proportional to 8,196,391.98, 11,300,506.88 and 6,720,864.12

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Solution

The fourth proportional to 8,196,391.98, 11,300,506.88 and 6,720,864.12 is: 9,266,171.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196,391.98 : 11,300,506.88 = 6,720,864.12 : x
  2. Step 2: Convert to fraction form
    8,196,391.98/11,300,506.88 = 6,720,864.12/x
  3. Step 3: Cross multiply
    8,196,391.98x = 11,300,506.88 × 6,720,864.12
  4. Step 4: Simplify right side
    8,196,391.98x = 75,949,171,194,000.83
  5. Step 5: Solve for x
    x = 75,949,171,194,000.83/8,196,391.98
  6. Step 6: Final answer
    x = 9,266,171.19

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1.5x scale

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.