Home / 20,210,100.49-27,889,963.31-10,917,670.08

Finding the Fourth Proportional to 20,210,100.49, 27,889,963.31 and 10,917,670.08

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Solution

The fourth proportional to 20,210,100.49, 27,889,963.31 and 10,917,670.08 is: 15,066,398.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210,100.49 : 27,889,963.31 = 10,917,670.08 : x
  2. Step 2: Convert to fraction form
    20,210,100.49/27,889,963.31 = 10,917,670.08/x
  3. Step 3: Cross multiply
    20,210,100.49x = 27,889,963.31 × 10,917,670.08
  4. Step 4: Simplify right side
    20,210,100.49x = 304,493,417,827,747.25
  5. Step 5: Solve for x
    x = 304,493,417,827,747.25/20,210,100.49
  6. Step 6: Final answer
    x = 15,066,398.01

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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.