Home / 18,519,491.48-25,548,406.17-11,995,218.50

Finding the Fourth Proportional to 18,519,491.48, 25,548,406.17 and 11,995,218.50

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Solution

The fourth proportional to 18,519,491.48, 25,548,406.17 and 11,995,218.50 is: 16,547,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,519,491.48 : 25,548,406.17 = 11,995,218.50 : x
  2. Step 2: Convert to fraction form
    18,519,491.48/25,548,406.17 = 11,995,218.50/x
  3. Step 3: Cross multiply
    18,519,491.48x = 25,548,406.17 × 11,995,218.50
  4. Step 4: Simplify right side
    18,519,491.48x = 306,458,714,335,898.19
  5. Step 5: Solve for x
    x = 306,458,714,335,898.19/18,519,491.48
  6. Step 6: Final answer
    x = 16,547,901.15

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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.