Home / 21,855,370.58-30,159,932.10-11,931,914.58

Finding the Fourth Proportional to 21,855,370.58, 30,159,932.10 and 11,931,914.58

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Solution

The fourth proportional to 21,855,370.58, 30,159,932.10 and 11,931,914.58 is: 16,465,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,855,370.58 : 30,159,932.10 = 11,931,914.58 : x
  2. Step 2: Convert to fraction form
    21,855,370.58/30,159,932.10 = 11,931,914.58/x
  3. Step 3: Cross multiply
    21,855,370.58x = 30,159,932.10 × 11,931,914.58
  4. Step 4: Simplify right side
    21,855,370.58x = 359,865,733,555,800.06
  5. Step 5: Solve for x
    x = 359,865,733,555,800.06/21,855,370.58
  6. Step 6: Final answer
    x = 16,465,780.45

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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.