Home / 12,096,511.70-18,171,801.15-10,105,855.70

Finding the Fourth Proportional to 12,096,511.70, 18,171,801.15 and 10,105,855.70

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Solution

The fourth proportional to 12,096,511.70, 18,171,801.15 and 10,105,855.70 is: 15,181,368.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,511.70 : 18,171,801.15 = 10,105,855.70 : x
  2. Step 2: Convert to fraction form
    12,096,511.70/18,171,801.15 = 10,105,855.70/x
  3. Step 3: Cross multiply
    12,096,511.70x = 18,171,801.15 × 10,105,855.70
  4. Step 4: Simplify right side
    12,096,511.70x = 183,641,600,230,994.03
  5. Step 5: Solve for x
    x = 183,641,600,230,994.03/12,096,511.70
  6. Step 6: Final answer
    x = 15,181,368.38

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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.