Home / 19,007,390.08-28,513,930.08-6,879,691.20

Finding the Fourth Proportional to 19,007,390.08, 28,513,930.08 and 6,879,691.20

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Solution

The fourth proportional to 19,007,390.08, 28,513,930.08 and 6,879,691.20 is: 10,320,566.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,007,390.08 : 28,513,930.08 = 6,879,691.20 : x
  2. Step 2: Convert to fraction form
    19,007,390.08/28,513,930.08 = 6,879,691.20/x
  3. Step 3: Cross multiply
    19,007,390.08x = 28,513,930.08 × 6,879,691.20
  4. Step 4: Simplify right side
    19,007,390.08x = 196,167,033,848,791.28
  5. Step 5: Solve for x
    x = 196,167,033,848,791.28/19,007,390.08
  6. Step 6: Final answer
    x = 10,320,566.53

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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.