Home / 18,503,811.27-25,537,930.53-10,661,821.59

Finding the Fourth Proportional to 18,503,811.27, 25,537,930.53 and 10,661,821.59

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Solution

The fourth proportional to 18,503,811.27, 25,537,930.53 and 10,661,821.59 is: 14,714,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503,811.27 : 25,537,930.53 = 10,661,821.59 : x
  2. Step 2: Convert to fraction form
    18,503,811.27/25,537,930.53 = 10,661,821.59/x
  3. Step 3: Cross multiply
    18,503,811.27x = 25,537,930.53 × 10,661,821.59
  4. Step 4: Simplify right side
    18,503,811.27x = 272,280,859,088,674.16
  5. Step 5: Solve for x
    x = 272,280,859,088,674.16/18,503,811.27
  6. Step 6: Final answer
    x = 14,714,852.80

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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.