Home / 21,863,234.40-32,794,851.60-11,785,538.40

Finding the Fourth Proportional to 21,863,234.40, 32,794,851.60 and 11,785,538.40

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Solution

The fourth proportional to 21,863,234.40, 32,794,851.60 and 11,785,538.40 is: 17,678,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,863,234.40 : 32,794,851.60 = 11,785,538.40 : x
  2. Step 2: Convert to fraction form
    21,863,234.40/32,794,851.60 = 11,785,538.40/x
  3. Step 3: Cross multiply
    21,863,234.40x = 32,794,851.60 × 11,785,538.40
  4. Step 4: Simplify right side
    21,863,234.40x = 386,504,982,854,101.50
  5. Step 5: Solve for x
    x = 386,504,982,854,101.50/21,863,234.40
  6. Step 6: Final answer
    x = 17,678,307.60

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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.