Home / 13,613,983.50-18,787,297.23-7,502,412

Finding the Fourth Proportional to 13,613,983.50, 18,787,297.23 and 7,502,412

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Solution

The fourth proportional to 13,613,983.50, 18,787,297.23 and 7,502,412 is: 10,353,328.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,613,983.50 : 18,787,297.23 = 7,502,412 : x
  2. Step 2: Convert to fraction form
    13,613,983.50/18,787,297.23 = 7,502,412/x
  3. Step 3: Cross multiply
    13,613,983.50x = 18,787,297.23 × 7,502,412
  4. Step 4: Simplify right side
    13,613,983.50x = 140,950,044,185,918.75
  5. Step 5: Solve for x
    x = 140,950,044,185,918.75/13,613,983.50
  6. Step 6: Final answer
    x = 10,353,328.56

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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.