Home / 9,711,378.59-13,401,703.78-5,360,465.81

Finding the Fourth Proportional to 9,711,378.59, 13,401,703.78 and 5,360,465.81

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Solution

The fourth proportional to 9,711,378.59, 13,401,703.78 and 5,360,465.81 is: 7,397,443.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,711,378.59 : 13,401,703.78 = 5,360,465.81 : x
  2. Step 2: Convert to fraction form
    9,711,378.59/13,401,703.78 = 5,360,465.81/x
  3. Step 3: Cross multiply
    9,711,378.59x = 13,401,703.78 × 5,360,465.81
  4. Step 4: Simplify right side
    9,711,378.59x = 71,839,374,928,540.86
  5. Step 5: Solve for x
    x = 71,839,374,928,540.86/9,711,378.59
  6. Step 6: Final answer
    x = 7,397,443.56

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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.