Home / 6,626,896.40-9,940,344.60-6,579,657.20

Finding the Fourth Proportional to 6,626,896.40, 9,940,344.60 and 6,579,657.20

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Solution

The fourth proportional to 6,626,896.40, 9,940,344.60 and 6,579,657.20 is: 9,869,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626,896.40 : 9,940,344.60 = 6,579,657.20 : x
  2. Step 2: Convert to fraction form
    6,626,896.40/9,940,344.60 = 6,579,657.20/x
  3. Step 3: Cross multiply
    6,626,896.40x = 9,940,344.60 × 6,579,657.20
  4. Step 4: Simplify right side
    6,626,896.40x = 65,404,059,917,871.12
  5. Step 5: Solve for x
    x = 65,404,059,917,871.12/6,626,896.40
  6. Step 6: Final answer
    x = 9,869,485.80

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Similar ratio
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1.5x scale

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.