Home / 6,899,267.80-10,348,901.70-6,852,028.60

Finding the Fourth Proportional to 6,899,267.80, 10,348,901.70 and 6,852,028.60

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Solution

The fourth proportional to 6,899,267.80, 10,348,901.70 and 6,852,028.60 is: 10,278,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899,267.80 : 10,348,901.70 = 6,852,028.60 : x
  2. Step 2: Convert to fraction form
    6,899,267.80/10,348,901.70 = 6,852,028.60/x
  3. Step 3: Cross multiply
    6,899,267.80x = 10,348,901.70 × 6,852,028.60
  4. Step 4: Simplify right side
    6,899,267.80x = 70,910,970,426,988.61
  5. Step 5: Solve for x
    x = 70,910,970,426,988.61/6,899,267.80
  6. Step 6: Final answer
    x = 10,278,042.90

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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.