Home / 6,914,420.40-10,371,630.60-6,560,126.40

Finding the Fourth Proportional to 6,914,420.40, 10,371,630.60 and 6,560,126.40

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Solution

The fourth proportional to 6,914,420.40, 10,371,630.60 and 6,560,126.40 is: 9,840,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,914,420.40 : 10,371,630.60 = 6,560,126.40 : x
  2. Step 2: Convert to fraction form
    6,914,420.40/10,371,630.60 = 6,560,126.40/x
  3. Step 3: Cross multiply
    6,914,420.40x = 10,371,630.60 × 6,560,126.40
  4. Step 4: Simplify right side
    6,914,420.40x = 68,039,207,710,107.84
  5. Step 5: Solve for x
    x = 68,039,207,710,107.84/6,914,420.40
  6. Step 6: Final answer
    x = 9,840,189.60

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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.