Home / 21,447,398.57-29,597,620.34-11,657,836.72

Finding the Fourth Proportional to 21,447,398.57, 29,597,620.34 and 11,657,836.72

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Solution

The fourth proportional to 21,447,398.57, 29,597,620.34 and 11,657,836.72 is: 16,087,928.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447,398.57 : 29,597,620.34 = 11,657,836.72 : x
  2. Step 2: Convert to fraction form
    21,447,398.57/29,597,620.34 = 11,657,836.72/x
  3. Step 3: Cross multiply
    21,447,398.57x = 29,597,620.34 × 11,657,836.72
  4. Step 4: Simplify right side
    21,447,398.57x = 345,044,225,017,993.62
  5. Step 5: Solve for x
    x = 345,044,225,017,993.62/21,447,398.57
  6. Step 6: Final answer
    x = 16,087,928.98

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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.