Home / 5,160,109.68-7,120,342.20-3,066,626.16

Finding the Fourth Proportional to 5,160,109.68, 7,120,342.20 and 3,066,626.16

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Solution

The fourth proportional to 5,160,109.68, 7,120,342.20 and 3,066,626.16 is: 4,231,582.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160,109.68 : 7,120,342.20 = 3,066,626.16 : x
  2. Step 2: Convert to fraction form
    5,160,109.68/7,120,342.20 = 3,066,626.16/x
  3. Step 3: Cross multiply
    5,160,109.68x = 7,120,342.20 × 3,066,626.16
  4. Step 4: Simplify right side
    5,160,109.68x = 21,835,427,658,671.95
  5. Step 5: Solve for x
    x = 21,835,427,658,671.95/5,160,109.68
  6. Step 6: Final answer
    x = 4,231,582.08

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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.