Home / 14,078,412.86-21,120,729.68-5,102,731.58

Finding the Fourth Proportional to 14,078,412.86, 21,120,729.68 and 5,102,731.58

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Solution

The fourth proportional to 14,078,412.86, 21,120,729.68 and 5,102,731.58 is: 7,655,224.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,078,412.86 : 21,120,729.68 = 5,102,731.58 : x
  2. Step 2: Convert to fraction form
    14,078,412.86/21,120,729.68 = 5,102,731.58/x
  3. Step 3: Cross multiply
    14,078,412.86x = 21,120,729.68 × 5,102,731.58
  4. Step 4: Simplify right side
    14,078,412.86x = 107,773,414,237,932.48
  5. Step 5: Solve for x
    x = 107,773,414,237,932.48/14,078,412.86
  6. Step 6: Final answer
    x = 7,655,224.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.