Home / 15,461,233.68-21,336,758.82-8,492,555.28

Finding the Fourth Proportional to 15,461,233.68, 21,336,758.82 and 8,492,555.28

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Solution

The fourth proportional to 15,461,233.68, 21,336,758.82 and 8,492,555.28 is: 11,719,867.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461,233.68 : 21,336,758.82 = 8,492,555.28 : x
  2. Step 2: Convert to fraction form
    15,461,233.68/21,336,758.82 = 8,492,555.28/x
  3. Step 3: Cross multiply
    15,461,233.68x = 21,336,758.82 × 8,492,555.28
  4. Step 4: Simplify right side
    15,461,233.68x = 181,203,603,774,877.56
  5. Step 5: Solve for x
    x = 181,203,603,774,877.56/15,461,233.68
  6. Step 6: Final answer
    x = 11,719,867.09

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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.