Home / 12,226,480.91-16,887,341.50-8,913,528.56

Finding the Fourth Proportional to 12,226,480.91, 16,887,341.50 and 8,913,528.56

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Solution

The fourth proportional to 12,226,480.91, 16,887,341.50 and 8,913,528.56 is: 12,311,457.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226,480.91 : 16,887,341.50 = 8,913,528.56 : x
  2. Step 2: Convert to fraction form
    12,226,480.91/16,887,341.50 = 8,913,528.56/x
  3. Step 3: Cross multiply
    12,226,480.91x = 16,887,341.50 × 8,913,528.56
  4. Step 4: Simplify right side
    12,226,480.91x = 150,525,800,782,657.75
  5. Step 5: Solve for x
    x = 150,525,800,782,657.75/12,226,480.91
  6. Step 6: Final answer
    x = 12,311,457.56

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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.