Home / 12,412,101.29-17,121,567.14-7,757,808.87

Finding the Fourth Proportional to 12,412,101.29, 17,121,567.14 and 7,757,808.87

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Solution

The fourth proportional to 12,412,101.29, 17,121,567.14 and 7,757,808.87 is: 10,701,318.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,412,101.29 : 17,121,567.14 = 7,757,808.87 : x
  2. Step 2: Convert to fraction form
    12,412,101.29/17,121,567.14 = 7,757,808.87/x
  3. Step 3: Cross multiply
    12,412,101.29x = 17,121,567.14 × 7,757,808.87
  4. Step 4: Simplify right side
    12,412,101.29x = 132,825,845,388,203.50
  5. Step 5: Solve for x
    x = 132,825,845,388,203.50/12,412,101.29
  6. Step 6: Final answer
    x = 10,701,318.20

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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.