Home / 18,537,716.48-25,583,563.68-10,280,364.80

Finding the Fourth Proportional to 18,537,716.48, 25,583,563.68 and 10,280,364.80

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Solution

The fourth proportional to 18,537,716.48, 25,583,563.68 and 10,280,364.80 is: 14,187,743.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,537,716.48 : 25,583,563.68 = 10,280,364.80 : x
  2. Step 2: Convert to fraction form
    18,537,716.48/25,583,563.68 = 10,280,364.80/x
  3. Step 3: Cross multiply
    18,537,716.48x = 25,583,563.68 × 10,280,364.80
  4. Step 4: Simplify right side
    18,537,716.48x = 263,008,367,514,430.47
  5. Step 5: Solve for x
    x = 263,008,367,514,430.47/18,537,716.48
  6. Step 6: Final answer
    x = 14,187,743.56

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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.