Home / 13,057,663.75-18,018,145.10-7,550,205.14

Finding the Fourth Proportional to 13,057,663.75, 18,018,145.10 and 7,550,205.14

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Solution

The fourth proportional to 13,057,663.75, 18,018,145.10 and 7,550,205.14 is: 10,418,455.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,663.75 : 18,018,145.10 = 7,550,205.14 : x
  2. Step 2: Convert to fraction form
    13,057,663.75/18,018,145.10 = 7,550,205.14/x
  3. Step 3: Cross multiply
    13,057,663.75x = 18,018,145.10 × 7,550,205.14
  4. Step 4: Simplify right side
    13,057,663.75x = 136,040,691,811,206.69
  5. Step 5: Solve for x
    x = 136,040,691,811,206.69/13,057,663.75
  6. Step 6: Final answer
    x = 10,418,455.74

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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.