Home / 21,344,708.52-29,455,661.34-11,555,148.96

Finding the Fourth Proportional to 21,344,708.52, 29,455,661.34 and 11,555,148.96

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Solution

The fourth proportional to 21,344,708.52, 29,455,661.34 and 11,555,148.96 is: 15,946,085.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,344,708.52 : 29,455,661.34 = 11,555,148.96 : x
  2. Step 2: Convert to fraction form
    21,344,708.52/29,455,661.34 = 11,555,148.96/x
  3. Step 3: Cross multiply
    21,344,708.52x = 29,455,661.34 × 11,555,148.96
  4. Step 4: Simplify right side
    21,344,708.52x = 340,364,554,499,013.25
  5. Step 5: Solve for x
    x = 340,364,554,499,013.25/21,344,708.52
  6. Step 6: Final answer
    x = 15,946,085.85

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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.