Home / 12,209,343.33-18,290,071.80-7,080,999.51

Finding the Fourth Proportional to 12,209,343.33, 18,290,071.80 and 7,080,999.51

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Solution

The fourth proportional to 12,209,343.33, 18,290,071.80 and 7,080,999.51 is: 10,607,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,209,343.33 : 18,290,071.80 = 7,080,999.51 : x
  2. Step 2: Convert to fraction form
    12,209,343.33/18,290,071.80 = 7,080,999.51/x
  3. Step 3: Cross multiply
    12,209,343.33x = 18,290,071.80 × 7,080,999.51
  4. Step 4: Simplify right side
    12,209,343.33x = 129,511,989,453,664.81
  5. Step 5: Solve for x
    x = 129,511,989,453,664.81/12,209,343.33
  6. Step 6: Final answer
    x = 10,607,613.03

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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.