Home / 10,000,342.14-13,800,476.07-5,416,649.34

Finding the Fourth Proportional to 10,000,342.14, 13,800,476.07 and 5,416,649.34

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Solution

The fourth proportional to 10,000,342.14, 13,800,476.07 and 5,416,649.34 is: 7,474,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000,342.14 : 13,800,476.07 = 5,416,649.34 : x
  2. Step 2: Convert to fraction form
    10,000,342.14/13,800,476.07 = 5,416,649.34/x
  3. Step 3: Cross multiply
    10,000,342.14x = 13,800,476.07 × 5,416,649.34
  4. Step 4: Simplify right side
    10,000,342.14x = 74,752,339,596,251.30
  5. Step 5: Solve for x
    x = 74,752,339,596,251.30/10,000,342.14
  6. Step 6: Final answer
    x = 7,474,978.21

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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.