Home / 13,407,776.30-20,111,664.45-4,888,390.70

Finding the Fourth Proportional to 13,407,776.30, 20,111,664.45 and 4,888,390.70

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Solution

The fourth proportional to 13,407,776.30, 20,111,664.45 and 4,888,390.70 is: 7,332,586.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407,776.30 : 20,111,664.45 = 4,888,390.70 : x
  2. Step 2: Convert to fraction form
    13,407,776.30/20,111,664.45 = 4,888,390.70/x
  3. Step 3: Cross multiply
    13,407,776.30x = 20,111,664.45 × 4,888,390.70
  4. Step 4: Simplify right side
    13,407,776.30x = 98,313,673,458,900.61
  5. Step 5: Solve for x
    x = 98,313,673,458,900.61/13,407,776.30
  6. Step 6: Final answer
    x = 7,332,586.05

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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.