Home / 21,554,429.70-32,331,644.55-13,901,679.30

Finding the Fourth Proportional to 21,554,429.70, 32,331,644.55 and 13,901,679.30

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Solution

The fourth proportional to 21,554,429.70, 32,331,644.55 and 13,901,679.30 is: 20,852,518.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,554,429.70 : 32,331,644.55 = 13,901,679.30 : x
  2. Step 2: Convert to fraction form
    21,554,429.70/32,331,644.55 = 13,901,679.30/x
  3. Step 3: Cross multiply
    21,554,429.70x = 32,331,644.55 × 13,901,679.30
  4. Step 4: Simplify right side
    21,554,429.70x = 449,464,153,775,692.88
  5. Step 5: Solve for x
    x = 449,464,153,775,692.88/21,554,429.70
  6. Step 6: Final answer
    x = 20,852,518.95

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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.