Home / 12,400,821.23-17,112,164.02-6,893,860.73

Finding the Fourth Proportional to 12,400,821.23, 17,112,164.02 and 6,893,860.73

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Solution

The fourth proportional to 12,400,821.23, 17,112,164.02 and 6,893,860.73 is: 9,512,988.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400,821.23 : 17,112,164.02 = 6,893,860.73 : x
  2. Step 2: Convert to fraction form
    12,400,821.23/17,112,164.02 = 6,893,860.73/x
  3. Step 3: Cross multiply
    12,400,821.23x = 17,112,164.02 × 6,893,860.73
  4. Step 4: Simplify right side
    12,400,821.23x = 117,968,875,440,001.44
  5. Step 5: Solve for x
    x = 117,968,875,440,001.44/12,400,821.23
  6. Step 6: Final answer
    x = 9,512,988.96

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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.