Home / 30,591,528.29-45,888,817.21-8,735,149.25

Finding the Fourth Proportional to 30,591,528.29, 45,888,817.21 and 8,735,149.25

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Solution

The fourth proportional to 30,591,528.29, 45,888,817.21 and 8,735,149.25 is: 13,103,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,591,528.29 : 45,888,817.21 = 8,735,149.25 : x
  2. Step 2: Convert to fraction form
    30,591,528.29/45,888,817.21 = 8,735,149.25/x
  3. Step 3: Cross multiply
    30,591,528.29x = 45,888,817.21 × 8,735,149.25
  4. Step 4: Simplify right side
    30,591,528.29x = 400,845,667,156,119.69
  5. Step 5: Solve for x
    x = 400,845,667,156,119.69/30,591,528.29
  6. Step 6: Final answer
    x = 13,103,159.26

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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.