Home / 22,588,807.20-31,172,469.48-12,801,116.40

Finding the Fourth Proportional to 22,588,807.20, 31,172,469.48 and 12,801,116.40

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Solution

The fourth proportional to 22,588,807.20, 31,172,469.48 and 12,801,116.40 is: 17,665,492.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,588,807.20 : 31,172,469.48 = 12,801,116.40 : x
  2. Step 2: Convert to fraction form
    22,588,807.20/31,172,469.48 = 12,801,116.40/x
  3. Step 3: Cross multiply
    22,588,807.20x = 31,172,469.48 × 12,801,116.40
  4. Step 4: Simplify right side
    22,588,807.20x = 399,042,410,288,927.50
  5. Step 5: Solve for x
    x = 399,042,410,288,927.50/22,588,807.20
  6. Step 6: Final answer
    x = 17,665,492.77

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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.