Home / 8,420,217.30-11,617,247.07-5,153,626.62

Finding the Fourth Proportional to 8,420,217.30, 11,617,247.07 and 5,153,626.62

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Solution

The fourth proportional to 8,420,217.30, 11,617,247.07 and 5,153,626.62 is: 7,110,381.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420,217.30 : 11,617,247.07 = 5,153,626.62 : x
  2. Step 2: Convert to fraction form
    8,420,217.30/11,617,247.07 = 5,153,626.62/x
  3. Step 3: Cross multiply
    8,420,217.30x = 11,617,247.07 × 5,153,626.62
  4. Step 4: Simplify right side
    8,420,217.30x = 59,870,953,751,069.01
  5. Step 5: Solve for x
    x = 59,870,953,751,069.01/8,420,217.30
  6. Step 6: Final answer
    x = 7,110,381.08

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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.