Home / 6,480,020.30-9,720,030.45-3,640,225.10

Finding the Fourth Proportional to 6,480,020.30, 9,720,030.45 and 3,640,225.10

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Solution

The fourth proportional to 6,480,020.30, 9,720,030.45 and 3,640,225.10 is: 5,460,337.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480,020.30 : 9,720,030.45 = 3,640,225.10 : x
  2. Step 2: Convert to fraction form
    6,480,020.30/9,720,030.45 = 3,640,225.10/x
  3. Step 3: Cross multiply
    6,480,020.30x = 9,720,030.45 × 3,640,225.10
  4. Step 4: Simplify right side
    6,480,020.30x = 35,383,098,816,854.30
  5. Step 5: Solve for x
    x = 35,383,098,816,854.30/6,480,020.30
  6. Step 6: Final answer
    x = 5,460,337.65

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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.