Home / 12,757,044.78-17,605,012.23-7,249,551.84

Finding the Fourth Proportional to 12,757,044.78, 17,605,012.23 and 7,249,551.84

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Solution

The fourth proportional to 12,757,044.78, 17,605,012.23 and 7,249,551.84 is: 10,004,546.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757,044.78 : 17,605,012.23 = 7,249,551.84 : x
  2. Step 2: Convert to fraction form
    12,757,044.78/17,605,012.23 = 7,249,551.84/x
  3. Step 3: Cross multiply
    12,757,044.78x = 17,605,012.23 × 7,249,551.84
  4. Step 4: Simplify right side
    12,757,044.78x = 127,628,448,805,219
  5. Step 5: Solve for x
    x = 127,628,448,805,219/12,757,044.78
  6. Step 6: Final answer
    x = 10,004,546.59

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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.