Home / 21,726,633.16-29,982,271.66-11,803,259.48

Finding the Fourth Proportional to 21,726,633.16, 29,982,271.66 and 11,803,259.48

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Solution

The fourth proportional to 21,726,633.16, 29,982,271.66 and 11,803,259.48 is: 16,288,236.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726,633.16 : 29,982,271.66 = 11,803,259.48 : x
  2. Step 2: Convert to fraction form
    21,726,633.16/29,982,271.66 = 11,803,259.48/x
  3. Step 3: Cross multiply
    21,726,633.16x = 29,982,271.66 × 11,803,259.48
  4. Step 4: Simplify right side
    21,726,633.16x = 353,888,532,202,830.38
  5. Step 5: Solve for x
    x = 353,888,532,202,830.38/21,726,633.16
  6. Step 6: Final answer
    x = 16,288,236.18

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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.