Home / 12,578,979.60-18,872,897.04-6,193,717.20

Finding the Fourth Proportional to 12,578,979.60, 18,872,897.04 and 6,193,717.20

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Solution

The fourth proportional to 12,578,979.60, 18,872,897.04 and 6,193,717.20 is: 9,292,755.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,578,979.60 : 18,872,897.04 = 6,193,717.20 : x
  2. Step 2: Convert to fraction form
    12,578,979.60/18,872,897.04 = 6,193,717.20/x
  3. Step 3: Cross multiply
    12,578,979.60x = 18,872,897.04 × 6,193,717.20
  4. Step 4: Simplify right side
    12,578,979.60x = 116,893,387,010,477.09
  5. Step 5: Solve for x
    x = 116,893,387,010,477.09/12,578,979.60
  6. Step 6: Final answer
    x = 9,292,755.91

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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.