Home / 10,894,518.30-16,341,777.45-6,642,990.30

Finding the Fourth Proportional to 10,894,518.30, 16,341,777.45 and 6,642,990.30

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Solution

The fourth proportional to 10,894,518.30, 16,341,777.45 and 6,642,990.30 is: 9,964,485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,894,518.30 : 16,341,777.45 = 6,642,990.30 : x
  2. Step 2: Convert to fraction form
    10,894,518.30/16,341,777.45 = 6,642,990.30/x
  3. Step 3: Cross multiply
    10,894,518.30x = 16,341,777.45 × 6,642,990.30
  4. Step 4: Simplify right side
    10,894,518.30x = 108,558,269,085,108.73
  5. Step 5: Solve for x
    x = 108,558,269,085,108.73/10,894,518.30
  6. Step 6: Final answer
    x = 9,964,485.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.