Home / 14,387,034.78-19,853,873.15-7,860,523.77

Finding the Fourth Proportional to 14,387,034.78, 19,853,873.15 and 7,860,523.77

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Solution

The fourth proportional to 14,387,034.78, 19,853,873.15 and 7,860,523.77 is: 10,847,394.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387,034.78 : 19,853,873.15 = 7,860,523.77 : x
  2. Step 2: Convert to fraction form
    14,387,034.78/19,853,873.15 = 7,860,523.77/x
  3. Step 3: Cross multiply
    14,387,034.78x = 19,853,873.15 × 7,860,523.77
  4. Step 4: Simplify right side
    14,387,034.78x = 156,061,841,782,837.16
  5. Step 5: Solve for x
    x = 156,061,841,782,837.16/14,387,034.78
  6. Step 6: Final answer
    x = 10,847,394.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.