Home / 15,013,731.84-22,410,722.82-12,897,415.68

Finding the Fourth Proportional to 15,013,731.84, 22,410,722.82 and 12,897,415.68

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Solution

The fourth proportional to 15,013,731.84, 22,410,722.82 and 12,897,415.68 is: 19,251,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,013,731.84 : 22,410,722.82 = 12,897,415.68 : x
  2. Step 2: Convert to fraction form
    15,013,731.84/22,410,722.82 = 12,897,415.68/x
  3. Step 3: Cross multiply
    15,013,731.84x = 22,410,722.82 × 12,897,415.68
  4. Step 4: Simplify right side
    15,013,731.84x = 289,040,407,898,801.81
  5. Step 5: Solve for x
    x = 289,040,407,898,801.81/15,013,731.84
  6. Step 6: Final answer
    x = 19,251,736.41

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.