Home / 21,364,538.03-29,453,780.00-13,520,148.11

Finding the Fourth Proportional to 21,364,538.03, 29,453,780.00 and 13,520,148.11

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Solution

The fourth proportional to 21,364,538.03, 29,453,780.00 and 13,520,148.11 is: 18,639,273.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,364,538.03 : 29,453,780.00 = 13,520,148.11 : x
  2. Step 2: Convert to fraction form
    21,364,538.03/29,453,780.00 = 13,520,148.11/x
  3. Step 3: Cross multiply
    21,364,538.03x = 29,453,780.00 × 13,520,148.11
  4. Step 4: Simplify right side
    21,364,538.03x = 398,219,467,784,486.19
  5. Step 5: Solve for x
    x = 398,219,467,784,486.19/21,364,538.03
  6. Step 6: Final answer
    x = 18,639,273.52

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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.