Home / 12,097,660.20-18,146,490.30-11,173,871.40

Finding the Fourth Proportional to 12,097,660.20, 18,146,490.30 and 11,173,871.40

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Solution

The fourth proportional to 12,097,660.20, 18,146,490.30 and 11,173,871.40 is: 16,760,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,660.20 : 18,146,490.30 = 11,173,871.40 : x
  2. Step 2: Convert to fraction form
    12,097,660.20/18,146,490.30 = 11,173,871.40/x
  3. Step 3: Cross multiply
    12,097,660.20x = 18,146,490.30 × 11,173,871.40
  4. Step 4: Simplify right side
    12,097,660.20x = 202,766,548,973,547.44
  5. Step 5: Solve for x
    x = 202,766,548,973,547.44/12,097,660.20
  6. Step 6: Final answer
    x = 16,760,807.10

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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.