Home / 7,247,236.90-10,870,855.35-3,888,004.90

Finding the Fourth Proportional to 7,247,236.90, 10,870,855.35 and 3,888,004.90

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Solution

The fourth proportional to 7,247,236.90, 10,870,855.35 and 3,888,004.90 is: 5,832,007.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247,236.90 : 10,870,855.35 = 3,888,004.90 : x
  2. Step 2: Convert to fraction form
    7,247,236.90/10,870,855.35 = 3,888,004.90/x
  3. Step 3: Cross multiply
    7,247,236.90x = 10,870,855.35 × 3,888,004.90
  4. Step 4: Simplify right side
    7,247,236.90x = 42,265,938,867,991.21
  5. Step 5: Solve for x
    x = 42,265,938,867,991.21/7,247,236.90
  6. Step 6: Final answer
    x = 5,832,007.35

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Double scale
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Similar ratio
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1.5x scale

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.