Home / 15,290,481.20-21,097,805.32-8,766,157.20

Finding the Fourth Proportional to 15,290,481.20, 21,097,805.32 and 8,766,157.20

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Solution

The fourth proportional to 15,290,481.20, 21,097,805.32 and 8,766,157.20 is: 12,095,543.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290,481.20 : 21,097,805.32 = 8,766,157.20 : x
  2. Step 2: Convert to fraction form
    15,290,481.20/21,097,805.32 = 8,766,157.20/x
  3. Step 3: Cross multiply
    15,290,481.20x = 21,097,805.32 × 8,766,157.20
  4. Step 4: Simplify right side
    15,290,481.20x = 184,946,678,010,116.28
  5. Step 5: Solve for x
    x = 184,946,678,010,116.28/15,290,481.20
  6. Step 6: Final answer
    x = 12,095,543.34

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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.