Home / 27,838,361.65-38,416,856.02-15,450,321.01

Finding the Fourth Proportional to 27,838,361.65, 38,416,856.02 and 15,450,321.01

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Solution

The fourth proportional to 27,838,361.65, 38,416,856.02 and 15,450,321.01 is: 21,321,396.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,838,361.65 : 38,416,856.02 = 15,450,321.01 : x
  2. Step 2: Convert to fraction form
    27,838,361.65/38,416,856.02 = 15,450,321.01/x
  3. Step 3: Cross multiply
    27,838,361.65x = 38,416,856.02 × 15,450,321.01
  4. Step 4: Simplify right side
    27,838,361.65x = 593,552,757,703,951
  5. Step 5: Solve for x
    x = 593,552,757,703,951/27,838,361.65
  6. Step 6: Final answer
    x = 21,321,396.90

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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.