Home / 13,431,774.62-18,535,911.46-7,630,874.66

Finding the Fourth Proportional to 13,431,774.62, 18,535,911.46 and 7,630,874.66

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Solution

The fourth proportional to 13,431,774.62, 18,535,911.46 and 7,630,874.66 is: 10,530,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431,774.62 : 18,535,911.46 = 7,630,874.66 : x
  2. Step 2: Convert to fraction form
    13,431,774.62/18,535,911.46 = 7,630,874.66/x
  3. Step 3: Cross multiply
    13,431,774.62x = 18,535,911.46 × 7,630,874.66
  4. Step 4: Simplify right side
    13,431,774.62x = 141,445,217,060,117.62
  5. Step 5: Solve for x
    x = 141,445,217,060,117.62/13,431,774.62
  6. Step 6: Final answer
    x = 10,530,642.53

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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.