Home / 21,115,655.73-31,673,589.03-7,468,814.70

Finding the Fourth Proportional to 21,115,655.73, 31,673,589.03 and 7,468,814.70

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Solution

The fourth proportional to 21,115,655.73, 31,673,589.03 and 7,468,814.70 is: 11,203,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,115,655.73 : 31,673,589.03 = 7,468,814.70 : x
  2. Step 2: Convert to fraction form
    21,115,655.73/31,673,589.03 = 7,468,814.70/x
  3. Step 3: Cross multiply
    21,115,655.73x = 31,673,589.03 × 7,468,814.70
  4. Step 4: Simplify right side
    21,115,655.73x = 236,564,167,349,022.75
  5. Step 5: Solve for x
    x = 236,564,167,349,022.75/21,115,655.73
  6. Step 6: Final answer
    x = 11,203,259.34

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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.