Home / 18,503,804.60-25,537,922.63-10,661,815.47

Finding the Fourth Proportional to 18,503,804.60, 25,537,922.63 and 10,661,815.47

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Solution

The fourth proportional to 18,503,804.60, 25,537,922.63 and 10,661,815.47 is: 14,714,845.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503,804.60 : 25,537,922.63 = 10,661,815.47 : x
  2. Step 2: Convert to fraction form
    18,503,804.60/25,537,922.63 = 10,661,815.47/x
  3. Step 3: Cross multiply
    18,503,804.60x = 25,537,922.63 × 10,661,815.47
  4. Step 4: Simplify right side
    18,503,804.60x = 272,280,618,514,888.03
  5. Step 5: Solve for x
    x = 272,280,618,514,888.03/18,503,804.60
  6. Step 6: Final answer
    x = 14,714,845.11

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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.