Home / 21,144,744.60-31,717,116.90-14,687,736.45

Finding the Fourth Proportional to 21,144,744.60, 31,717,116.90 and 14,687,736.45

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Solution

The fourth proportional to 21,144,744.60, 31,717,116.90 and 14,687,736.45 is: 22,031,604.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,144,744.60 : 31,717,116.90 = 14,687,736.45 : x
  2. Step 2: Convert to fraction form
    21,144,744.60/31,717,116.90 = 14,687,736.45/x
  3. Step 3: Cross multiply
    21,144,744.60x = 31,717,116.90 × 14,687,736.45
  4. Step 4: Simplify right side
    21,144,744.60x = 465,852,653,981,040.94
  5. Step 5: Solve for x
    x = 465,852,653,981,040.94/21,144,744.60
  6. Step 6: Final answer
    x = 22,031,604.68

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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.