Home / 7,299,531.39-10,949,919.88-1,908,173.15

Finding the Fourth Proportional to 7,299,531.39, 10,949,919.88 and 1,908,173.15

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Solution

The fourth proportional to 7,299,531.39, 10,949,919.88 and 1,908,173.15 is: 2,862,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299,531.39 : 10,949,919.88 = 1,908,173.15 : x
  2. Step 2: Convert to fraction form
    7,299,531.39/10,949,919.88 = 1,908,173.15/x
  3. Step 3: Cross multiply
    7,299,531.39x = 10,949,919.88 × 1,908,173.15
  4. Step 4: Simplify right side
    7,299,531.39x = 20,894,343,109,667.22
  5. Step 5: Solve for x
    x = 20,894,343,109,667.22/7,299,531.39
  6. Step 6: Final answer
    x = 2,862,422.53

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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.