Home / 14,038,862.20-21,034,673.70-13,188,556.60

Finding the Fourth Proportional to 14,038,862.20, 21,034,673.70 and 13,188,556.60

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Solution

The fourth proportional to 14,038,862.20, 21,034,673.70 and 13,188,556.60 is: 19,760,645.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038,862.20 : 21,034,673.70 = 13,188,556.60 : x
  2. Step 2: Convert to fraction form
    14,038,862.20/21,034,673.70 = 13,188,556.60/x
  3. Step 3: Cross multiply
    14,038,862.20x = 21,034,673.70 × 13,188,556.60
  4. Step 4: Simplify right side
    14,038,862.20x = 277,416,984,654,981.41
  5. Step 5: Solve for x
    x = 277,416,984,654,981.41/14,038,862.20
  6. Step 6: Final answer
    x = 19,760,645.89

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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.