Home / 21,627,575.30-29,846,062.81-11,838,068.80

Finding the Fourth Proportional to 21,627,575.30, 29,846,062.81 and 11,838,068.80

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Solution

The fourth proportional to 21,627,575.30, 29,846,062.81 and 11,838,068.80 is: 16,336,539.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627,575.30 : 29,846,062.81 = 11,838,068.80 : x
  2. Step 2: Convert to fraction form
    21,627,575.30/29,846,062.81 = 11,838,068.80/x
  3. Step 3: Cross multiply
    21,627,575.30x = 29,846,062.81 × 11,838,068.80
  4. Step 4: Simplify right side
    21,627,575.30x = 353,319,744,894,083.75
  5. Step 5: Solve for x
    x = 353,319,744,894,083.75/21,627,575.30
  6. Step 6: Final answer
    x = 16,336,539.81

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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.