Home / 10,617,812.25-15,926,776.70-2,639,636.25

Finding the Fourth Proportional to 10,617,812.25, 15,926,776.70 and 2,639,636.25

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Solution

The fourth proportional to 10,617,812.25, 15,926,776.70 and 2,639,636.25 is: 3,959,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617,812.25 : 15,926,776.70 = 2,639,636.25 : x
  2. Step 2: Convert to fraction form
    10,617,812.25/15,926,776.70 = 2,639,636.25/x
  3. Step 3: Cross multiply
    10,617,812.25x = 15,926,776.70 × 2,639,636.25
  4. Step 4: Simplify right side
    10,617,812.25x = 42,040,897,109,777.20
  5. Step 5: Solve for x
    x = 42,040,897,109,777.20/10,617,812.25
  6. Step 6: Final answer
    x = 3,959,468.87

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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.