Home / 21,019,407.10-29,006,786.74-11,852,051.74

Finding the Fourth Proportional to 21,019,407.10, 29,006,786.74 and 11,852,051.74

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Solution

The fourth proportional to 21,019,407.10, 29,006,786.74 and 11,852,051.74 is: 16,355,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,019,407.10 : 29,006,786.74 = 11,852,051.74 : x
  2. Step 2: Convert to fraction form
    21,019,407.10/29,006,786.74 = 11,852,051.74/x
  3. Step 3: Cross multiply
    21,019,407.10x = 29,006,786.74 × 11,852,051.74
  4. Step 4: Simplify right side
    21,019,407.10x = 343,789,937,078,961.88
  5. Step 5: Solve for x
    x = 343,789,937,078,961.88/21,019,407.10
  6. Step 6: Final answer
    x = 16,355,834.18

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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.