Home / 14,363,520-19,821,657.60-7,924,992

Finding the Fourth Proportional to 14,363,520, 19,821,657.60 and 7,924,992

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Solution

The fourth proportional to 14,363,520, 19,821,657.60 and 7,924,992 is: 10,936,488.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,363,520 : 19,821,657.60 = 7,924,992 : x
  2. Step 2: Convert to fraction form
    14,363,520/19,821,657.60 = 7,924,992/x
  3. Step 3: Cross multiply
    14,363,520x = 19,821,657.60 × 7,924,992
  4. Step 4: Simplify right side
    14,363,520x = 157,086,477,906,739.22
  5. Step 5: Solve for x
    x = 157,086,477,906,739.22/14,363,520
  6. Step 6: Final answer
    x = 10,936,488.96

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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.