Home / 21,339,373.44-29,449,048.36-13,077,839.70

Finding the Fourth Proportional to 21,339,373.44, 29,449,048.36 and 13,077,839.70

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Solution

The fourth proportional to 21,339,373.44, 29,449,048.36 and 13,077,839.70 is: 18,047,855.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,339,373.44 : 29,449,048.36 = 13,077,839.70 : x
  2. Step 2: Convert to fraction form
    21,339,373.44/29,449,048.36 = 13,077,839.70/x
  3. Step 3: Cross multiply
    21,339,373.44x = 29,449,048.36 × 13,077,839.70
  4. Step 4: Simplify right side
    21,339,373.44x = 385,129,933,769,627.88
  5. Step 5: Solve for x
    x = 385,129,933,769,627.88/21,339,373.44
  6. Step 6: Final answer
    x = 18,047,855.76

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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.