Home / 16,821,946.87-23,214,307.32-9,086,989.30

Finding the Fourth Proportional to 16,821,946.87, 23,214,307.32 and 9,086,989.30

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Solution

The fourth proportional to 16,821,946.87, 23,214,307.32 and 9,086,989.30 is: 12,540,056.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,946.87 : 23,214,307.32 = 9,086,989.30 : x
  2. Step 2: Convert to fraction form
    16,821,946.87/23,214,307.32 = 9,086,989.30/x
  3. Step 3: Cross multiply
    16,821,946.87x = 23,214,307.32 × 9,086,989.30
  4. Step 4: Simplify right side
    16,821,946.87x = 210,948,162,165,715.91
  5. Step 5: Solve for x
    x = 210,948,162,165,715.91/16,821,946.87
  6. Step 6: Final answer
    x = 12,540,056.38

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Double scale
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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.