Home / 15,629,587.68-23,431,858.80-7,428,110.88

Finding the Fourth Proportional to 15,629,587.68, 23,431,858.80 and 7,428,110.88

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Solution

The fourth proportional to 15,629,587.68, 23,431,858.80 and 7,428,110.88 is: 11,136,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,629,587.68 : 23,431,858.80 = 7,428,110.88 : x
  2. Step 2: Convert to fraction form
    15,629,587.68/23,431,858.80 = 7,428,110.88/x
  3. Step 3: Cross multiply
    15,629,587.68x = 23,431,858.80 × 7,428,110.88
  4. Step 4: Simplify right side
    15,629,587.68x = 174,054,445,290,903.75
  5. Step 5: Solve for x
    x = 174,054,445,290,903.75/15,629,587.68
  6. Step 6: Final answer
    x = 11,136,214.78

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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.