Home / 27,216,712.20-40,843,730.70-12,081,505.80

Finding the Fourth Proportional to 27,216,712.20, 40,843,730.70 and 12,081,505.80

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Solution

The fourth proportional to 27,216,712.20, 40,843,730.70 and 12,081,505.80 is: 18,130,542.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216,712.20 : 40,843,730.70 = 12,081,505.80 : x
  2. Step 2: Convert to fraction form
    27,216,712.20/40,843,730.70 = 12,081,505.80/x
  3. Step 3: Cross multiply
    27,216,712.20x = 40,843,730.70 × 12,081,505.80
  4. Step 4: Simplify right side
    27,216,712.20x = 493,453,769,345,688.12
  5. Step 5: Solve for x
    x = 493,453,769,345,688.12/27,216,712.20
  6. Step 6: Final answer
    x = 18,130,542.94

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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.