Home / 15,314,018.80-21,133,073.42-8,344,745.58

Finding the Fourth Proportional to 15,314,018.80, 21,133,073.42 and 8,344,745.58

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Solution

The fourth proportional to 15,314,018.80, 21,133,073.42 and 8,344,745.58 is: 11,515,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,314,018.80 : 21,133,073.42 = 8,344,745.58 : x
  2. Step 2: Convert to fraction form
    15,314,018.80/21,133,073.42 = 8,344,745.58/x
  3. Step 3: Cross multiply
    15,314,018.80x = 21,133,073.42 × 8,344,745.58
  4. Step 4: Simplify right side
    15,314,018.80x = 176,350,121,013,360.50
  5. Step 5: Solve for x
    x = 176,350,121,013,360.50/15,314,018.80
  6. Step 6: Final answer
    x = 11,515,600.40

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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.