Home / 20,816,118.78-31,242,114.33-14,430,855.18

Finding the Fourth Proportional to 20,816,118.78, 31,242,114.33 and 14,430,855.18

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Solution

The fourth proportional to 20,816,118.78, 31,242,114.33 and 14,430,855.18 is: 21,658,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,816,118.78 : 31,242,114.33 = 14,430,855.18 : x
  2. Step 2: Convert to fraction form
    20,816,118.78/31,242,114.33 = 14,430,855.18/x
  3. Step 3: Cross multiply
    20,816,118.78x = 31,242,114.33 × 14,430,855.18
  4. Step 4: Simplify right side
    20,816,118.78x = 450,850,427,413,232.69
  5. Step 5: Solve for x
    x = 450,850,427,413,232.69/20,816,118.78
  6. Step 6: Final answer
    x = 21,658,717.08

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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.