Home / 12,968,951.32-17,897,121.93-7,387,196.97

Finding the Fourth Proportional to 12,968,951.32, 17,897,121.93 and 7,387,196.97

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Solution

The fourth proportional to 12,968,951.32, 17,897,121.93 and 7,387,196.97 is: 10,194,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968,951.32 : 17,897,121.93 = 7,387,196.97 : x
  2. Step 2: Convert to fraction form
    12,968,951.32/17,897,121.93 = 7,387,196.97/x
  3. Step 3: Cross multiply
    12,968,951.32x = 17,897,121.93 × 7,387,196.97
  4. Step 4: Simplify right side
    12,968,951.32x = 132,209,564,863,383.34
  5. Step 5: Solve for x
    x = 132,209,564,863,383.34/12,968,951.32
  6. Step 6: Final answer
    x = 10,194,314.22

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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.