Home / 21,656,893-29,886,512.36-11,999,101

Finding the Fourth Proportional to 21,656,893, 29,886,512.36 and 11,999,101

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Solution

The fourth proportional to 21,656,893, 29,886,512.36 and 11,999,101 is: 16,558,759.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,656,893 : 29,886,512.36 = 11,999,101 : x
  2. Step 2: Convert to fraction form
    21,656,893/29,886,512.36 = 11,999,101/x
  3. Step 3: Cross multiply
    21,656,893x = 29,886,512.36 × 11,999,101
  4. Step 4: Simplify right side
    21,656,893x = 358,611,280,345,388.38
  5. Step 5: Solve for x
    x = 358,611,280,345,388.38/21,656,893
  6. Step 6: Final answer
    x = 16,558,759.39

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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.