Home / 22,500,889.12-31,051,228.04-12,187,612.20

Finding the Fourth Proportional to 22,500,889.12, 31,051,228.04 and 12,187,612.20

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Solution

The fourth proportional to 22,500,889.12, 31,051,228.04 and 12,187,612.20 is: 16,818,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,500,889.12 : 31,051,228.04 = 12,187,612.20 : x
  2. Step 2: Convert to fraction form
    22,500,889.12/31,051,228.04 = 12,187,612.20/x
  3. Step 3: Cross multiply
    22,500,889.12x = 31,051,228.04 × 12,187,612.20
  4. Step 4: Simplify right side
    22,500,889.12x = 378,440,325,685,286.06
  5. Step 5: Solve for x
    x = 378,440,325,685,286.06/22,500,889.12
  6. Step 6: Final answer
    x = 16,818,905.41

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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.