Home / 19,722,386.43-27,216,371.09-11,020,630.55

Finding the Fourth Proportional to 19,722,386.43, 27,216,371.09 and 11,020,630.55

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Solution

The fourth proportional to 19,722,386.43, 27,216,371.09 and 11,020,630.55 is: 15,208,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722,386.43 : 27,216,371.09 = 11,020,630.55 : x
  2. Step 2: Convert to fraction form
    19,722,386.43/27,216,371.09 = 11,020,630.55/x
  3. Step 3: Cross multiply
    19,722,386.43x = 27,216,371.09 × 11,020,630.55
  4. Step 4: Simplify right side
    19,722,386.43x = 299,941,570,586,060.56
  5. Step 5: Solve for x
    x = 299,941,570,586,060.56/19,722,386.43
  6. Step 6: Final answer
    x = 15,208,178.36

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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.