Home / 22,015,511.40-33,023,267.10-11,811,844.20

Finding the Fourth Proportional to 22,015,511.40, 33,023,267.10 and 11,811,844.20

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Solution

The fourth proportional to 22,015,511.40, 33,023,267.10 and 11,811,844.20 is: 17,717,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015,511.40 : 33,023,267.10 = 11,811,844.20 : x
  2. Step 2: Convert to fraction form
    22,015,511.40/33,023,267.10 = 11,811,844.20/x
  3. Step 3: Cross multiply
    22,015,511.40x = 33,023,267.10 × 11,811,844.20
  4. Step 4: Simplify right side
    22,015,511.40x = 390,065,685,960,185.81
  5. Step 5: Solve for x
    x = 390,065,685,960,185.81/22,015,511.40
  6. Step 6: Final answer
    x = 17,717,766.30

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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.