Home / 19,961,901.70-29,942,852.55-15,852,091.30

Finding the Fourth Proportional to 19,961,901.70, 29,942,852.55 and 15,852,091.30

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Solution

The fourth proportional to 19,961,901.70, 29,942,852.55 and 15,852,091.30 is: 23,778,136.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961,901.70 : 29,942,852.55 = 15,852,091.30 : x
  2. Step 2: Convert to fraction form
    19,961,901.70/29,942,852.55 = 15,852,091.30/x
  3. Step 3: Cross multiply
    19,961,901.70x = 29,942,852.55 × 15,852,091.30
  4. Step 4: Simplify right side
    19,961,901.70x = 474,656,832,405,037.88
  5. Step 5: Solve for x
    x = 474,656,832,405,037.88/19,961,901.70
  6. Step 6: Final answer
    x = 23,778,136.95

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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.