Home / 15,388,593.57-21,233,451.57-8,772,900.35

Finding the Fourth Proportional to 15,388,593.57, 21,233,451.57 and 8,772,900.35

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Solution

The fourth proportional to 15,388,593.57, 21,233,451.57 and 8,772,900.35 is: 12,105,001.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,388,593.57 : 21,233,451.57 = 8,772,900.35 : x
  2. Step 2: Convert to fraction form
    15,388,593.57/21,233,451.57 = 8,772,900.35/x
  3. Step 3: Cross multiply
    15,388,593.57x = 21,233,451.57 × 8,772,900.35
  4. Step 4: Simplify right side
    15,388,593.57x = 186,278,954,603,993.81
  5. Step 5: Solve for x
    x = 186,278,954,603,993.81/15,388,593.57
  6. Step 6: Final answer
    x = 12,105,001.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.