Home / 21,453,237.96-29,606,084.46-13,081,098.84

Finding the Fourth Proportional to 21,453,237.96, 29,606,084.46 and 13,081,098.84

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Solution

The fourth proportional to 21,453,237.96, 29,606,084.46 and 13,081,098.84 is: 18,052,292.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,453,237.96 : 29,606,084.46 = 13,081,098.84 : x
  2. Step 2: Convert to fraction form
    21,453,237.96/29,606,084.46 = 13,081,098.84/x
  3. Step 3: Cross multiply
    21,453,237.96x = 29,606,084.46 × 13,081,098.84
  4. Step 4: Simplify right side
    21,453,237.96x = 387,280,117,086,648.06
  5. Step 5: Solve for x
    x = 387,280,117,086,648.06/21,453,237.96
  6. Step 6: Final answer
    x = 18,052,292.05

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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.