Home / 12,669,210.54-19,001,891.25-4,149,358.38

Finding the Fourth Proportional to 12,669,210.54, 19,001,891.25 and 4,149,358.38

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Solution

The fourth proportional to 12,669,210.54, 19,001,891.25 and 4,149,358.38 is: 6,223,407.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,669,210.54 : 19,001,891.25 = 4,149,358.38 : x
  2. Step 2: Convert to fraction form
    12,669,210.54/19,001,891.25 = 4,149,358.38/x
  3. Step 3: Cross multiply
    12,669,210.54x = 19,001,891.25 × 4,149,358.38
  4. Step 4: Simplify right side
    12,669,210.54x = 78,845,656,694,036.17
  5. Step 5: Solve for x
    x = 78,845,656,694,036.17/12,669,210.54
  6. Step 6: Final answer
    x = 6,223,407.25

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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.