Home / 6,728,043.40-10,092,065.10-6,208,412.20

Finding the Fourth Proportional to 6,728,043.40, 10,092,065.10 and 6,208,412.20

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Solution

The fourth proportional to 6,728,043.40, 10,092,065.10 and 6,208,412.20 is: 9,312,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728,043.40 : 10,092,065.10 = 6,208,412.20 : x
  2. Step 2: Convert to fraction form
    6,728,043.40/10,092,065.10 = 6,208,412.20/x
  3. Step 3: Cross multiply
    6,728,043.40x = 10,092,065.10 × 6,208,412.20
  4. Step 4: Simplify right side
    6,728,043.40x = 62,655,700,090,034.22
  5. Step 5: Solve for x
    x = 62,655,700,090,034.22/6,728,043.40
  6. Step 6: Final answer
    x = 9,312,618.30

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Double scale
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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.