Home / 8,690,338.56-13,034,742.12-3,896,741.28

Finding the Fourth Proportional to 8,690,338.56, 13,034,742.12 and 3,896,741.28

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Solution

The fourth proportional to 8,690,338.56, 13,034,742.12 and 3,896,741.28 is: 5,844,768.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690,338.56 : 13,034,742.12 = 3,896,741.28 : x
  2. Step 2: Convert to fraction form
    8,690,338.56/13,034,742.12 = 3,896,741.28/x
  3. Step 3: Cross multiply
    8,690,338.56x = 13,034,742.12 × 3,896,741.28
  4. Step 4: Simplify right side
    8,690,338.56x = 50,793,017,693,158.71
  5. Step 5: Solve for x
    x = 50,793,017,693,158.71/8,690,338.56
  6. Step 6: Final answer
    x = 5,844,768.57

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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.