Home / 27,655,359.87-38,164,390.67-15,265,450.07

Finding the Fourth Proportional to 27,655,359.87, 38,164,390.67 and 15,265,450.07

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Solution

The fourth proportional to 27,655,359.87, 38,164,390.67 and 15,265,450.07 is: 21,066,317.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,655,359.87 : 38,164,390.67 = 15,265,450.07 : x
  2. Step 2: Convert to fraction form
    27,655,359.87/38,164,390.67 = 15,265,450.07/x
  3. Step 3: Cross multiply
    27,655,359.87x = 38,164,390.67 × 15,265,450.07
  4. Step 4: Simplify right side
    27,655,359.87x = 582,596,600,236,790
  5. Step 5: Solve for x
    x = 582,596,600,236,790/27,655,359.87
  6. Step 6: Final answer
    x = 21,066,317.81

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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.