Home / 22,015,338.40-33,023,007.60-11,811,671.20

Finding the Fourth Proportional to 22,015,338.40, 33,023,007.60 and 11,811,671.20

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Solution

The fourth proportional to 22,015,338.40, 33,023,007.60 and 11,811,671.20 is: 17,717,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015,338.40 : 33,023,007.60 = 11,811,671.20 : x
  2. Step 2: Convert to fraction form
    22,015,338.40/33,023,007.60 = 11,811,671.20/x
  3. Step 3: Cross multiply
    22,015,338.40x = 33,023,007.60 × 11,811,671.20
  4. Step 4: Simplify right side
    22,015,338.40x = 390,056,907,806,301.12
  5. Step 5: Solve for x
    x = 390,056,907,806,301.12/22,015,338.40
  6. Step 6: Final answer
    x = 17,717,506.80

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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.