Home / 18,964,618.83-28,443,719.72-5,314,623.65

Finding the Fourth Proportional to 18,964,618.83, 28,443,719.72 and 5,314,623.65

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Solution

The fourth proportional to 18,964,618.83, 28,443,719.72 and 5,314,623.65 is: 7,971,036.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964,618.83 : 28,443,719.72 = 5,314,623.65 : x
  2. Step 2: Convert to fraction form
    18,964,618.83/28,443,719.72 = 5,314,623.65/x
  3. Step 3: Cross multiply
    18,964,618.83x = 28,443,719.72 × 5,314,623.65
  4. Step 4: Simplify right side
    18,964,618.83x = 151,167,665,349,091.66
  5. Step 5: Solve for x
    x = 151,167,665,349,091.66/18,964,618.83
  6. Step 6: Final answer
    x = 7,971,036.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.