Home / 20,650,897.80-28,504,246.41-13,775,363.46

Finding the Fourth Proportional to 20,650,897.80, 28,504,246.41 and 13,775,363.46

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Solution

The fourth proportional to 20,650,897.80, 28,504,246.41 and 13,775,363.46 is: 19,014,008.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650,897.80 : 28,504,246.41 = 13,775,363.46 : x
  2. Step 2: Convert to fraction form
    20,650,897.80/28,504,246.41 = 13,775,363.46/x
  3. Step 3: Cross multiply
    20,650,897.80x = 28,504,246.41 × 13,775,363.46
  4. Step 4: Simplify right side
    20,650,897.80x = 392,656,354,451,150.19
  5. Step 5: Solve for x
    x = 392,656,354,451,150.19/20,650,897.80
  6. Step 6: Final answer
    x = 19,014,008.89

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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.