Home / 20,816,118.05-31,242,113.19-14,430,854.43

Finding the Fourth Proportional to 20,816,118.05, 31,242,113.19 and 14,430,854.43

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Solution

The fourth proportional to 20,816,118.05, 31,242,113.19 and 14,430,854.43 is: 21,658,715.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,816,118.05 : 31,242,113.19 = 14,430,854.43 : x
  2. Step 2: Convert to fraction form
    20,816,118.05/31,242,113.19 = 14,430,854.43/x
  3. Step 3: Cross multiply
    20,816,118.05x = 31,242,113.19 × 14,430,854.43
  4. Step 4: Simplify right side
    20,816,118.05x = 450,850,387,530,472.94
  5. Step 5: Solve for x
    x = 450,850,387,530,472.94/20,816,118.05
  6. Step 6: Final answer
    x = 21,658,715.93

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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.