Home / 7,218,121.71-10,823,639.62-3,570,637.30

Finding the Fourth Proportional to 7,218,121.71, 10,823,639.62 and 3,570,637.30

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Solution

The fourth proportional to 7,218,121.71, 10,823,639.62 and 3,570,637.30 is: 5,354,203.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,121.71 : 10,823,639.62 = 3,570,637.30 : x
  2. Step 2: Convert to fraction form
    7,218,121.71/10,823,639.62 = 3,570,637.30/x
  3. Step 3: Cross multiply
    7,218,121.71x = 10,823,639.62 × 3,570,637.30
  4. Step 4: Simplify right side
    7,218,121.71x = 38,647,291,322,225.30
  5. Step 5: Solve for x
    x = 38,647,291,322,225.30/7,218,121.71
  6. Step 6: Final answer
    x = 5,354,203.34

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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.