Home / 21,413,460.15-29,550,612.78-11,623,911.12

Finding the Fourth Proportional to 21,413,460.15, 29,550,612.78 and 11,623,911.12

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Solution

The fourth proportional to 21,413,460.15, 29,550,612.78 and 11,623,911.12 is: 16,041,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,413,460.15 : 29,550,612.78 = 11,623,911.12 : x
  2. Step 2: Convert to fraction form
    21,413,460.15/29,550,612.78 = 11,623,911.12/x
  3. Step 3: Cross multiply
    21,413,460.15x = 29,550,612.78 × 11,623,911.12
  4. Step 4: Simplify right side
    21,413,460.15x = 343,493,696,496,256.12
  5. Step 5: Solve for x
    x = 343,493,696,496,256.12/21,413,460.15
  6. Step 6: Final answer
    x = 16,041,017.85

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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.