Home / 18,326,841.32-25,270,315.62-11,702,719.89

Finding the Fourth Proportional to 18,326,841.32, 25,270,315.62 and 11,702,719.89

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Solution

The fourth proportional to 18,326,841.32, 25,270,315.62 and 11,702,719.89 is: 16,136,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326,841.32 : 25,270,315.62 = 11,702,719.89 : x
  2. Step 2: Convert to fraction form
    18,326,841.32/25,270,315.62 = 11,702,719.89/x
  3. Step 3: Cross multiply
    18,326,841.32x = 25,270,315.62 × 11,702,719.89
  4. Step 4: Simplify right side
    18,326,841.32x = 295,731,425,106,400.12
  5. Step 5: Solve for x
    x = 295,731,425,106,400.12/18,326,841.32
  6. Step 6: Final answer
    x = 16,136,519.11

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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.