Home / 10,917,747.84-16,390,812.96-8,395,174.56

Finding the Fourth Proportional to 10,917,747.84, 16,390,812.96 and 8,395,174.56

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Solution

The fourth proportional to 10,917,747.84, 16,390,812.96 and 8,395,174.56 is: 12,603,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917,747.84 : 16,390,812.96 = 8,395,174.56 : x
  2. Step 2: Convert to fraction form
    10,917,747.84/16,390,812.96 = 8,395,174.56/x
  3. Step 3: Cross multiply
    10,917,747.84x = 16,390,812.96 × 8,395,174.56
  4. Step 4: Simplify right side
    10,917,747.84x = 137,603,735,979,510.31
  5. Step 5: Solve for x
    x = 137,603,735,979,510.31/10,917,747.84
  6. Step 6: Final answer
    x = 12,603,674.13

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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.