Home / 13,929,415.74-19,222,593.64-7,817,844.24

Finding the Fourth Proportional to 13,929,415.74, 19,222,593.64 and 7,817,844.24

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Solution

The fourth proportional to 13,929,415.74, 19,222,593.64 and 7,817,844.24 is: 10,788,625.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929,415.74 : 19,222,593.64 = 7,817,844.24 : x
  2. Step 2: Convert to fraction form
    13,929,415.74/19,222,593.64 = 7,817,844.24/x
  3. Step 3: Cross multiply
    13,929,415.74x = 19,222,593.64 × 7,817,844.24
  4. Step 4: Simplify right side
    13,929,415.74x = 150,279,242,966,334.66
  5. Step 5: Solve for x
    x = 150,279,242,966,334.66/13,929,415.74
  6. Step 6: Final answer
    x = 10,788,625.01

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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.