Home / 21,004,690.84-31,488,127.62-7,538,369.56

Finding the Fourth Proportional to 21,004,690.84, 31,488,127.62 and 7,538,369.56

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Solution

The fourth proportional to 21,004,690.84, 31,488,127.62 and 7,538,369.56 is: 11,300,768.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004,690.84 : 31,488,127.62 = 7,538,369.56 : x
  2. Step 2: Convert to fraction form
    21,004,690.84/31,488,127.62 = 7,538,369.56/x
  3. Step 3: Cross multiply
    21,004,690.84x = 31,488,127.62 × 7,538,369.56
  4. Step 4: Simplify right side
    21,004,690.84x = 237,369,142,752,003.25
  5. Step 5: Solve for x
    x = 237,369,142,752,003.25/21,004,690.84
  6. Step 6: Final answer
    x = 11,300,768.22

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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.