Home / 21,697,657.11-29,942,676.27-11,908,261.17

Finding the Fourth Proportional to 21,697,657.11, 29,942,676.27 and 11,908,261.17

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Solution

The fourth proportional to 21,697,657.11, 29,942,676.27 and 11,908,261.17 is: 16,433,350.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,697,657.11 : 29,942,676.27 = 11,908,261.17 : x
  2. Step 2: Convert to fraction form
    21,697,657.11/29,942,676.27 = 11,908,261.17/x
  3. Step 3: Cross multiply
    21,697,657.11x = 29,942,676.27 × 11,908,261.17
  4. Step 4: Simplify right side
    21,697,657.11x = 356,565,209,151,921.44
  5. Step 5: Solve for x
    x = 356,565,209,151,921.44/21,697,657.11
  6. Step 6: Final answer
    x = 16,433,350.72

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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.