Home / 7,149,015.66-9,865,707.64-3,885,838.06

Finding the Fourth Proportional to 7,149,015.66, 9,865,707.64 and 3,885,838.06

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Solution

The fourth proportional to 7,149,015.66, 9,865,707.64 and 3,885,838.06 is: 5,362,492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149,015.66 : 9,865,707.64 = 3,885,838.06 : x
  2. Step 2: Convert to fraction form
    7,149,015.66/9,865,707.64 = 3,885,838.06/x
  3. Step 3: Cross multiply
    7,149,015.66x = 9,865,707.64 × 3,885,838.06
  4. Step 4: Simplify right side
    7,149,015.66x = 38,336,542,236,344.78
  5. Step 5: Solve for x
    x = 38,336,542,236,344.78/7,149,015.66
  6. Step 6: Final answer
    x = 5,362,492.41

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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.