Home / 12,998,586.54-19,490,590.62-8,904,533.34

Finding the Fourth Proportional to 12,998,586.54, 19,490,590.62 and 8,904,533.34

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Solution

The fourth proportional to 12,998,586.54, 19,490,590.62 and 8,904,533.34 is: 13,351,806.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998,586.54 : 19,490,590.62 = 8,904,533.34 : x
  2. Step 2: Convert to fraction form
    12,998,586.54/19,490,590.62 = 8,904,533.34/x
  3. Step 3: Cross multiply
    12,998,586.54x = 19,490,590.62 × 8,904,533.34
  4. Step 4: Simplify right side
    12,998,586.54x = 173,554,613,992,081.28
  5. Step 5: Solve for x
    x = 173,554,613,992,081.28/12,998,586.54
  6. Step 6: Final answer
    x = 13,351,806.63

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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.