Home / 21,689,223.33-29,931,433.56-11,899,489.62

Finding the Fourth Proportional to 21,689,223.33, 29,931,433.56 and 11,899,489.62

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Solution

The fourth proportional to 21,689,223.33, 29,931,433.56 and 11,899,489.62 is: 16,421,463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,689,223.33 : 29,931,433.56 = 11,899,489.62 : x
  2. Step 2: Convert to fraction form
    21,689,223.33/29,931,433.56 = 11,899,489.62/x
  3. Step 3: Cross multiply
    21,689,223.33x = 29,931,433.56 × 11,899,489.62
  4. Step 4: Simplify right side
    21,689,223.33x = 356,168,782,958,939.62
  5. Step 5: Solve for x
    x = 356,168,782,958,939.62/21,689,223.33
  6. Step 6: Final answer
    x = 16,421,463.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.