Home / 31,009,932.21-46,543,642.13-15,668,004.79

Finding the Fourth Proportional to 31,009,932.21, 46,543,642.13 and 15,668,004.79

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Solution

The fourth proportional to 31,009,932.21, 46,543,642.13 and 15,668,004.79 is: 23,516,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,009,932.21 : 46,543,642.13 = 15,668,004.79 : x
  2. Step 2: Convert to fraction form
    31,009,932.21/46,543,642.13 = 15,668,004.79/x
  3. Step 3: Cross multiply
    31,009,932.21x = 46,543,642.13 × 15,668,004.79
  4. Step 4: Simplify right side
    31,009,932.21x = 729,246,007,836,885.75
  5. Step 5: Solve for x
    x = 729,246,007,836,885.75/31,009,932.21
  6. Step 6: Final answer
    x = 23,516,530.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.