Home / 9,908,329.36-13,672,401.24-5,556,520.12

Finding the Fourth Proportional to 9,908,329.36, 13,672,401.24 and 5,556,520.12

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Solution

The fourth proportional to 9,908,329.36, 13,672,401.24 and 5,556,520.12 is: 7,667,384.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,908,329.36 : 13,672,401.24 = 5,556,520.12 : x
  2. Step 2: Convert to fraction form
    9,908,329.36/13,672,401.24 = 5,556,520.12/x
  3. Step 3: Cross multiply
    9,908,329.36x = 13,672,401.24 × 5,556,520.12
  4. Step 4: Simplify right side
    9,908,329.36x = 75,970,972,578,772.95
  5. Step 5: Solve for x
    x = 75,970,972,578,772.95/9,908,329.36
  6. Step 6: Final answer
    x = 7,667,384.66

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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.