Home / 8,302,313.78-11,461,340.87-5,163,589.16

Finding the Fourth Proportional to 8,302,313.78, 11,461,340.87 and 5,163,589.16

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Solution

The fourth proportional to 8,302,313.78, 11,461,340.87 and 5,163,589.16 is: 7,128,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302,313.78 : 11,461,340.87 = 5,163,589.16 : x
  2. Step 2: Convert to fraction form
    8,302,313.78/11,461,340.87 = 5,163,589.16/x
  3. Step 3: Cross multiply
    8,302,313.78x = 11,461,340.87 × 5,163,589.16
  4. Step 4: Simplify right side
    8,302,313.78x = 59,181,655,508,195.84
  5. Step 5: Solve for x
    x = 59,181,655,508,195.84/8,302,313.78
  6. Step 6: Final answer
    x = 7,128,332.79

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Double scale
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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.