Home / 12,605,243.36-17,395,275.09-7,307,970.78

Finding the Fourth Proportional to 12,605,243.36, 17,395,275.09 and 7,307,970.78

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Solution

The fourth proportional to 12,605,243.36, 17,395,275.09 and 7,307,970.78 is: 10,085,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,605,243.36 : 17,395,275.09 = 7,307,970.78 : x
  2. Step 2: Convert to fraction form
    12,605,243.36/17,395,275.09 = 7,307,970.78/x
  3. Step 3: Cross multiply
    12,605,243.36x = 17,395,275.09 × 7,307,970.78
  4. Step 4: Simplify right side
    12,605,243.36x = 127,124,161,980,805.50
  5. Step 5: Solve for x
    x = 127,124,161,980,805.50/12,605,243.36
  6. Step 6: Final answer
    x = 10,085,022.43

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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.