Home / 21,283,760.65-29,371,588.57-11,494,203.89

Finding the Fourth Proportional to 21,283,760.65, 29,371,588.57 and 11,494,203.89

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Solution

The fourth proportional to 21,283,760.65, 29,371,588.57 and 11,494,203.89 is: 15,862,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,283,760.65 : 29,371,588.57 = 11,494,203.89 : x
  2. Step 2: Convert to fraction form
    21,283,760.65/29,371,588.57 = 11,494,203.89/x
  3. Step 3: Cross multiply
    21,283,760.65x = 29,371,588.57 × 11,494,203.89
  4. Step 4: Simplify right side
    21,283,760.65x = 337,603,027,539,678.69
  5. Step 5: Solve for x
    x = 337,603,027,539,678.69/21,283,760.65
  6. Step 6: Final answer
    x = 15,862,000.76

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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.