Home / 9,191,116.78-12,683,741.16-5,061,138.08

Finding the Fourth Proportional to 9,191,116.78, 12,683,741.16 and 5,061,138.08

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Solution

The fourth proportional to 9,191,116.78, 12,683,741.16 and 5,061,138.08 is: 6,984,370.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191,116.78 : 12,683,741.16 = 5,061,138.08 : x
  2. Step 2: Convert to fraction form
    9,191,116.78/12,683,741.16 = 5,061,138.08/x
  3. Step 3: Cross multiply
    9,191,116.78x = 12,683,741.16 × 5,061,138.08
  4. Step 4: Simplify right side
    9,191,116.78x = 64,194,165,381,739.38
  5. Step 5: Solve for x
    x = 64,194,165,381,739.38/9,191,116.78
  6. Step 6: Final answer
    x = 6,984,370.55

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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.