Home / 21,221,444.76-29,285,588.46-11,563,652.76

Finding the Fourth Proportional to 21,221,444.76, 29,285,588.46 and 11,563,652.76

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Solution

The fourth proportional to 21,221,444.76, 29,285,588.46 and 11,563,652.76 is: 15,957,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,221,444.76 : 29,285,588.46 = 11,563,652.76 : x
  2. Step 2: Convert to fraction form
    21,221,444.76/29,285,588.46 = 11,563,652.76/x
  3. Step 3: Cross multiply
    21,221,444.76x = 29,285,588.46 × 11,563,652.76
  4. Step 4: Simplify right side
    21,221,444.76x = 338,648,375,823,703.12
  5. Step 5: Solve for x
    x = 338,648,375,823,703.12/21,221,444.76
  6. Step 6: Final answer
    x = 15,957,837.92

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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.