Home / 9,419,982.27-12,999,889.53-5,290,741.08

Finding the Fourth Proportional to 9,419,982.27, 12,999,889.53 and 5,290,741.08

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Solution

The fourth proportional to 9,419,982.27, 12,999,889.53 and 5,290,741.08 is: 7,301,399.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419,982.27 : 12,999,889.53 = 5,290,741.08 : x
  2. Step 2: Convert to fraction form
    9,419,982.27/12,999,889.53 = 5,290,741.08/x
  3. Step 3: Cross multiply
    9,419,982.27x = 12,999,889.53 × 5,290,741.08
  4. Step 4: Simplify right side
    9,419,982.27x = 68,779,049,571,832.89
  5. Step 5: Solve for x
    x = 68,779,049,571,832.89/9,419,982.27
  6. Step 6: Final answer
    x = 7,301,399.05

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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.