Home / 13,105,040.82-18,085,572.14-7,303,864.11

Finding the Fourth Proportional to 13,105,040.82, 18,085,572.14 and 7,303,864.11

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Solution

The fourth proportional to 13,105,040.82, 18,085,572.14 and 7,303,864.11 is: 10,079,675.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,040.82 : 18,085,572.14 = 7,303,864.11 : x
  2. Step 2: Convert to fraction form
    13,105,040.82/18,085,572.14 = 7,303,864.11/x
  3. Step 3: Cross multiply
    13,105,040.82x = 18,085,572.14 × 7,303,864.11
  4. Step 4: Simplify right side
    13,105,040.82x = 132,094,561,225,642.59
  5. Step 5: Solve for x
    x = 132,094,561,225,642.59/13,105,040.82
  6. Step 6: Final answer
    x = 10,079,675.68

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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.