Home / 9,663,969.78-13,336,286.85-5,313,130.14

Finding the Fourth Proportional to 9,663,969.78, 13,336,286.85 and 5,313,130.14

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Solution

The fourth proportional to 9,663,969.78, 13,336,286.85 and 5,313,130.14 is: 7,332,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,663,969.78 : 13,336,286.85 = 5,313,130.14 : x
  2. Step 2: Convert to fraction form
    9,663,969.78/13,336,286.85 = 5,313,130.14/x
  3. Step 3: Cross multiply
    9,663,969.78x = 13,336,286.85 × 5,313,130.14
  4. Step 4: Simplify right side
    9,663,969.78x = 70,857,427,618,420.66
  5. Step 5: Solve for x
    x = 70,857,427,618,420.66/9,663,969.78
  6. Step 6: Final answer
    x = 7,332,124.30

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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.