Home / 21,308,001.70-31,962,002.55-14,505,556.90

Finding the Fourth Proportional to 21,308,001.70, 31,962,002.55 and 14,505,556.90

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Solution

The fourth proportional to 21,308,001.70, 31,962,002.55 and 14,505,556.90 is: 21,758,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,308,001.70 : 31,962,002.55 = 14,505,556.90 : x
  2. Step 2: Convert to fraction form
    21,308,001.70/31,962,002.55 = 14,505,556.90/x
  3. Step 3: Cross multiply
    21,308,001.70x = 31,962,002.55 × 14,505,556.90
  4. Step 4: Simplify right side
    21,308,001.70x = 463,626,646,626,970.12
  5. Step 5: Solve for x
    x = 463,626,646,626,970.12/21,308,001.70
  6. Step 6: Final answer
    x = 21,758,335.35

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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.