Home / 21,344,221.40-29,455,019.32-11,554,658.34

Finding the Fourth Proportional to 21,344,221.40, 29,455,019.32 and 11,554,658.34

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Solution

The fourth proportional to 21,344,221.40, 29,455,019.32 and 11,554,658.34 is: 15,945,425.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344,221.40 : 29,455,019.32 = 11,554,658.34 : x
  2. Step 2: Convert to fraction form
    21,344,221.40/29,455,019.32 = 11,554,658.34/x
  3. Step 3: Cross multiply
    21,344,221.40x = 29,455,019.32 × 11,554,658.34
  4. Step 4: Simplify right side
    21,344,221.40x = 340,342,684,640,699.12
  5. Step 5: Solve for x
    x = 340,342,684,640,699.12/21,344,221.40
  6. Step 6: Final answer
    x = 15,945,425.15

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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.