Home / 13,342,410.50-18,412,592.10-7,230,839

Finding the Fourth Proportional to 13,342,410.50, 18,412,592.10 and 7,230,839

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Solution

The fourth proportional to 13,342,410.50, 18,412,592.10 and 7,230,839 is: 9,978,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342,410.50 : 18,412,592.10 = 7,230,839 : x
  2. Step 2: Convert to fraction form
    13,342,410.50/18,412,592.10 = 7,230,839/x
  3. Step 3: Cross multiply
    13,342,410.50x = 18,412,592.10 × 7,230,839
  4. Step 4: Simplify right side
    13,342,410.50x = 133,138,489,047,771.91
  5. Step 5: Solve for x
    x = 133,138,489,047,771.91/13,342,410.50
  6. Step 6: Final answer
    x = 9,978,593.38

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1.5x scale

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.