Home / 10,892,113.20-16,338,169.80-7,490,890.80

Finding the Fourth Proportional to 10,892,113.20, 16,338,169.80 and 7,490,890.80

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Solution

The fourth proportional to 10,892,113.20, 16,338,169.80 and 7,490,890.80 is: 11,236,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892,113.20 : 16,338,169.80 = 7,490,890.80 : x
  2. Step 2: Convert to fraction form
    10,892,113.20/16,338,169.80 = 7,490,890.80/x
  3. Step 3: Cross multiply
    10,892,113.20x = 16,338,169.80 × 7,490,890.80
  4. Step 4: Simplify right side
    10,892,113.20x = 122,387,445,843,657.84
  5. Step 5: Solve for x
    x = 122,387,445,843,657.84/10,892,113.20
  6. Step 6: Final answer
    x = 11,236,336.20

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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.