Home / 21,334,531.20-29,441,730.60-11,544,974.40

Finding the Fourth Proportional to 21,334,531.20, 29,441,730.60 and 11,544,974.40

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Solution

The fourth proportional to 21,334,531.20, 29,441,730.60 and 11,544,974.40 is: 15,932,106.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334,531.20 : 29,441,730.60 = 11,544,974.40 : x
  2. Step 2: Convert to fraction form
    21,334,531.20/29,441,730.60 = 11,544,974.40/x
  3. Step 3: Cross multiply
    21,334,531.20x = 29,441,730.60 × 11,544,974.40
  4. Step 4: Simplify right side
    21,334,531.20x = 339,904,026,068,696.69
  5. Step 5: Solve for x
    x = 339,904,026,068,696.69/21,334,531.20
  6. Step 6: Final answer
    x = 15,932,106.63

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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.