Home / 18,503,818.44-25,537,940.40-10,661,828.76

Finding the Fourth Proportional to 18,503,818.44, 25,537,940.40 and 10,661,828.76

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Solution

The fourth proportional to 18,503,818.44, 25,537,940.40 and 10,661,828.76 is: 14,714,862.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503,818.44 : 25,537,940.40 = 10,661,828.76 : x
  2. Step 2: Convert to fraction form
    18,503,818.44/25,537,940.40 = 10,661,828.76/x
  3. Step 3: Cross multiply
    18,503,818.44x = 25,537,940.40 × 10,661,828.76
  4. Step 4: Simplify right side
    18,503,818.44x = 272,281,147,427,885.88
  5. Step 5: Solve for x
    x = 272,281,147,427,885.88/18,503,818.44
  6. Step 6: Final answer
    x = 14,714,862.68

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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.