Home / 21,124,017.48-29,150,969.94-11,956,580.04

Finding the Fourth Proportional to 21,124,017.48, 29,150,969.94 and 11,956,580.04

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Solution

The fourth proportional to 21,124,017.48, 29,150,969.94 and 11,956,580.04 is: 16,499,981.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,124,017.48 : 29,150,969.94 = 11,956,580.04 : x
  2. Step 2: Convert to fraction form
    21,124,017.48/29,150,969.94 = 11,956,580.04/x
  3. Step 3: Cross multiply
    21,124,017.48x = 29,150,969.94 × 11,956,580.04
  4. Step 4: Simplify right side
    21,124,017.48x = 348,545,905,331,244
  5. Step 5: Solve for x
    x = 348,545,905,331,244/21,124,017.48
  6. Step 6: Final answer
    x = 16,499,981.86

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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.