Home / 22,785,107.99-31,443,487.12-12,331,133.58

Finding the Fourth Proportional to 22,785,107.99, 31,443,487.12 and 12,331,133.58

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Solution

The fourth proportional to 22,785,107.99, 31,443,487.12 and 12,331,133.58 is: 17,016,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,785,107.99 : 31,443,487.12 = 12,331,133.58 : x
  2. Step 2: Convert to fraction form
    22,785,107.99/31,443,487.12 = 12,331,133.58/x
  3. Step 3: Cross multiply
    22,785,107.99x = 31,443,487.12 × 12,331,133.58
  4. Step 4: Simplify right side
    22,785,107.99x = 387,733,840,031,056.50
  5. Step 5: Solve for x
    x = 387,733,840,031,056.50/22,785,107.99
  6. Step 6: Final answer
    x = 17,016,984.97

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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.