Home / 22,031,990.70-33,047,986.05-21,192,182.70

Finding the Fourth Proportional to 22,031,990.70, 33,047,986.05 and 21,192,182.70

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Solution

The fourth proportional to 22,031,990.70, 33,047,986.05 and 21,192,182.70 is: 31,788,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,031,990.70 : 33,047,986.05 = 21,192,182.70 : x
  2. Step 2: Convert to fraction form
    22,031,990.70/33,047,986.05 = 21,192,182.70/x
  3. Step 3: Cross multiply
    22,031,990.70x = 33,047,986.05 × 21,192,182.70
  4. Step 4: Simplify right side
    22,031,990.70x = 700,358,958,238,651.38
  5. Step 5: Solve for x
    x = 700,358,958,238,651.38/22,031,990.70
  6. Step 6: Final answer
    x = 31,788,274.05

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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.