Home / 27,838,358.40-38,416,851.54-15,450,317.76

Finding the Fourth Proportional to 27,838,358.40, 38,416,851.54 and 15,450,317.76

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Solution

The fourth proportional to 27,838,358.40, 38,416,851.54 and 15,450,317.76 is: 21,321,392.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,838,358.40 : 38,416,851.54 = 15,450,317.76 : x
  2. Step 2: Convert to fraction form
    27,838,358.40/38,416,851.54 = 15,450,317.76/x
  3. Step 3: Cross multiply
    27,838,358.40x = 38,416,851.54 × 15,450,317.76
  4. Step 4: Simplify right side
    27,838,358.40x = 593,552,563,631,745.38
  5. Step 5: Solve for x
    x = 593,552,563,631,745.38/27,838,358.40
  6. Step 6: Final answer
    x = 21,321,392.41

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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.