Home / 15,819,274.44-21,830,770.53-9,293,178.96

Finding the Fourth Proportional to 15,819,274.44, 21,830,770.53 and 9,293,178.96

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Solution

The fourth proportional to 15,819,274.44, 21,830,770.53 and 9,293,178.96 is: 12,824,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,819,274.44 : 21,830,770.53 = 9,293,178.96 : x
  2. Step 2: Convert to fraction form
    15,819,274.44/21,830,770.53 = 9,293,178.96/x
  3. Step 3: Cross multiply
    15,819,274.44x = 21,830,770.53 × 9,293,178.96
  4. Step 4: Simplify right side
    15,819,274.44x = 202,877,257,369,984.09
  5. Step 5: Solve for x
    x = 202,877,257,369,984.09/15,819,274.44
  6. Step 6: Final answer
    x = 12,824,687.89

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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.