Home / 21,066,377.40-31,623,185.70-16,295,218.20

Finding the Fourth Proportional to 21,066,377.40, 31,623,185.70 and 16,295,218.20

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Solution

The fourth proportional to 21,066,377.40, 31,623,185.70 and 16,295,218.20 is: 24,461,097.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066,377.40 : 31,623,185.70 = 16,295,218.20 : x
  2. Step 2: Convert to fraction form
    21,066,377.40/31,623,185.70 = 16,295,218.20/x
  3. Step 3: Cross multiply
    21,066,377.40x = 31,623,185.70 × 16,295,218.20
  4. Step 4: Simplify right side
    21,066,377.40x = 515,306,711,160,619.69
  5. Step 5: Solve for x
    x = 515,306,711,160,619.69/21,066,377.40
  6. Step 6: Final answer
    x = 24,461,097.48

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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.