Home / 21,437,583.78-29,583,506.40-11,648,178.66

Finding the Fourth Proportional to 21,437,583.78, 29,583,506.40 and 11,648,178.66

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Solution

The fourth proportional to 21,437,583.78, 29,583,506.40 and 11,648,178.66 is: 16,074,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,437,583.78 : 29,583,506.40 = 11,648,178.66 : x
  2. Step 2: Convert to fraction form
    21,437,583.78/29,583,506.40 = 11,648,178.66/x
  3. Step 3: Cross multiply
    21,437,583.78x = 29,583,506.40 × 11,648,178.66
  4. Step 4: Simplify right side
    21,437,583.78x = 344,593,967,936,453.44
  5. Step 5: Solve for x
    x = 344,593,967,936,453.44/21,437,583.78
  6. Step 6: Final answer
    x = 16,074,291.37

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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.