Home / 9,662,217.81-13,334,026.20-5,311,487.49

Finding the Fourth Proportional to 9,662,217.81, 13,334,026.20 and 5,311,487.49

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Solution

The fourth proportional to 9,662,217.81, 13,334,026.20 and 5,311,487.49 is: 7,329,943.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,662,217.81 : 13,334,026.20 = 5,311,487.49 : x
  2. Step 2: Convert to fraction form
    9,662,217.81/13,334,026.20 = 5,311,487.49/x
  3. Step 3: Cross multiply
    9,662,217.81x = 13,334,026.20 × 5,311,487.49
  4. Step 4: Simplify right side
    9,662,217.81x = 70,823,513,352,632.23
  5. Step 5: Solve for x
    x = 70,823,513,352,632.23/9,662,217.81
  6. Step 6: Final answer
    x = 7,329,943.78

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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.