Home / 9,172,881.42-12,658,717.98-5,043,091.56

Finding the Fourth Proportional to 9,172,881.42, 12,658,717.98 and 5,043,091.56

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Solution

The fourth proportional to 9,172,881.42, 12,658,717.98 and 5,043,091.56 is: 6,959,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172,881.42 : 12,658,717.98 = 5,043,091.56 : x
  2. Step 2: Convert to fraction form
    9,172,881.42/12,658,717.98 = 5,043,091.56/x
  3. Step 3: Cross multiply
    9,172,881.42x = 12,658,717.98 × 5,043,091.56
  4. Step 4: Simplify right side
    9,172,881.42x = 63,839,073,805,358.24
  5. Step 5: Solve for x
    x = 63,839,073,805,358.24/9,172,881.42
  6. Step 6: Final answer
    x = 6,959,544.21

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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.