Home / 12,069,052.80-18,103,579.20-9,677,568.30

Finding the Fourth Proportional to 12,069,052.80, 18,103,579.20 and 9,677,568.30

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Solution

The fourth proportional to 12,069,052.80, 18,103,579.20 and 9,677,568.30 is: 14,516,352.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069,052.80 : 18,103,579.20 = 9,677,568.30 : x
  2. Step 2: Convert to fraction form
    12,069,052.80/18,103,579.20 = 9,677,568.30/x
  3. Step 3: Cross multiply
    12,069,052.80x = 18,103,579.20 × 9,677,568.30
  4. Step 4: Simplify right side
    12,069,052.80x = 175,198,624,182,459.38
  5. Step 5: Solve for x
    x = 175,198,624,182,459.38/12,069,052.80
  6. Step 6: Final answer
    x = 14,516,352.45

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Double scale
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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.