Home / 8,871,570-13,307,839.32-2,805,849

Finding the Fourth Proportional to 8,871,570, 13,307,839.32 and 2,805,849

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Solution

The fourth proportional to 8,871,570, 13,307,839.32 and 2,805,849 is: 4,208,926.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871,570 : 13,307,839.32 = 2,805,849 : x
  2. Step 2: Convert to fraction form
    8,871,570/13,307,839.32 = 2,805,849/x
  3. Step 3: Cross multiply
    8,871,570x = 13,307,839.32 × 2,805,849
  4. Step 4: Simplify right side
    8,871,570x = 37,339,787,648,182.68
  5. Step 5: Solve for x
    x = 37,339,787,648,182.68/8,871,570
  6. Step 6: Final answer
    x = 4,208,926.68

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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.