Home / 10,138,439.39-13,990,511.34-5,787,352.67

Finding the Fourth Proportional to 10,138,439.39, 13,990,511.34 and 5,787,352.67

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Solution

The fourth proportional to 10,138,439.39, 13,990,511.34 and 5,787,352.67 is: 7,986,241.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,138,439.39 : 13,990,511.34 = 5,787,352.67 : x
  2. Step 2: Convert to fraction form
    10,138,439.39/13,990,511.34 = 5,787,352.67/x
  3. Step 3: Cross multiply
    10,138,439.39x = 13,990,511.34 × 5,787,352.67
  4. Step 4: Simplify right side
    10,138,439.39x = 80,968,023,158,214.28
  5. Step 5: Solve for x
    x = 80,968,023,158,214.28/10,138,439.39
  6. Step 6: Final answer
    x = 7,986,241.28

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1.5x scale

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.