Home / 12,096,067.40-18,144,101.10-9,828,585.80

Finding the Fourth Proportional to 12,096,067.40, 18,144,101.10 and 9,828,585.80

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Solution

The fourth proportional to 12,096,067.40, 18,144,101.10 and 9,828,585.80 is: 14,742,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,067.40 : 18,144,101.10 = 9,828,585.80 : x
  2. Step 2: Convert to fraction form
    12,096,067.40/18,144,101.10 = 9,828,585.80/x
  3. Step 3: Cross multiply
    12,096,067.40x = 18,144,101.10 × 9,828,585.80
  4. Step 4: Simplify right side
    12,096,067.40x = 178,330,854,425,224.41
  5. Step 5: Solve for x
    x = 178,330,854,425,224.41/12,096,067.40
  6. Step 6: Final answer
    x = 14,742,878.70

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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.