Home / 11,869,970.30-17,804,955.45-11,743,999.10

Finding the Fourth Proportional to 11,869,970.30, 17,804,955.45 and 11,743,999.10

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Solution

The fourth proportional to 11,869,970.30, 17,804,955.45 and 11,743,999.10 is: 17,615,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869,970.30 : 17,804,955.45 = 11,743,999.10 : x
  2. Step 2: Convert to fraction form
    11,869,970.30/17,804,955.45 = 11,743,999.10/x
  3. Step 3: Cross multiply
    11,869,970.30x = 17,804,955.45 × 11,743,999.10
  4. Step 4: Simplify right side
    11,869,970.30x = 209,101,380,780,340.09
  5. Step 5: Solve for x
    x = 209,101,380,780,340.09/11,869,970.30
  6. Step 6: Final answer
    x = 17,615,998.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.