Home / 31,198,588.43-43,064,873.30-21,441,331.67

Finding the Fourth Proportional to 31,198,588.43, 43,064,873.30 and 21,441,331.67

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Solution

The fourth proportional to 31,198,588.43, 43,064,873.30 and 21,441,331.67 is: 29,596,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,198,588.43 : 43,064,873.30 = 21,441,331.67 : x
  2. Step 2: Convert to fraction form
    31,198,588.43/43,064,873.30 = 21,441,331.67/x
  3. Step 3: Cross multiply
    31,198,588.43x = 43,064,873.30 × 21,441,331.67
  4. Step 4: Simplify right side
    31,198,588.43x = 923,368,231,590,106.38
  5. Step 5: Solve for x
    x = 923,368,231,590,106.38/31,198,588.43
  6. Step 6: Final answer
    x = 29,596,474.65

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1.5x scale

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.