Home / 12,918,726.61-19,381,879.54-3,821,064.19

Finding the Fourth Proportional to 12,918,726.61, 19,381,879.54 and 3,821,064.19

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Solution

The fourth proportional to 12,918,726.61, 19,381,879.54 and 3,821,064.19 is: 5,732,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,918,726.61 : 19,381,879.54 = 3,821,064.19 : x
  2. Step 2: Convert to fraction form
    12,918,726.61/19,381,879.54 = 3,821,064.19/x
  3. Step 3: Cross multiply
    12,918,726.61x = 19,381,879.54 × 3,821,064.19
  4. Step 4: Simplify right side
    12,918,726.61x = 74,059,405,801,509.31
  5. Step 5: Solve for x
    x = 74,059,405,801,509.31/12,918,726.61
  6. Step 6: Final answer
    x = 5,732,717.17

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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.