Home / 21,526,280.12-29,706,498.42-11,736,644.42

Finding the Fourth Proportional to 21,526,280.12, 29,706,498.42 and 11,736,644.42

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Solution

The fourth proportional to 21,526,280.12, 29,706,498.42 and 11,736,644.42 is: 16,196,695.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526,280.12 : 29,706,498.42 = 11,736,644.42 : x
  2. Step 2: Convert to fraction form
    21,526,280.12/29,706,498.42 = 11,736,644.42/x
  3. Step 3: Cross multiply
    21,526,280.12x = 29,706,498.42 × 11,736,644.42
  4. Step 4: Simplify right side
    21,526,280.12x = 348,654,608,918,831.81
  5. Step 5: Solve for x
    x = 348,654,608,918,831.81/21,526,280.12
  6. Step 6: Final answer
    x = 16,196,695.71

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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.