Home / 11,086,824.40-16,642,678.20-8,573,621.20

Finding the Fourth Proportional to 11,086,824.40, 16,642,678.20 and 8,573,621.20

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Solution

The fourth proportional to 11,086,824.40, 16,642,678.20 and 8,573,621.20 is: 12,870,053.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086,824.40 : 16,642,678.20 = 8,573,621.20 : x
  2. Step 2: Convert to fraction form
    11,086,824.40/16,642,678.20 = 8,573,621.20/x
  3. Step 3: Cross multiply
    11,086,824.40x = 16,642,678.20 × 8,573,621.20
  4. Step 4: Simplify right side
    11,086,824.40x = 142,688,018,640,297.81
  5. Step 5: Solve for x
    x = 142,688,018,640,297.81/11,086,824.40
  6. Step 6: Final answer
    x = 12,870,053.09

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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.