Home / 7,128,034.20-10,692,051.30-6,876,091.80

Finding the Fourth Proportional to 7,128,034.20, 10,692,051.30 and 6,876,091.80

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Solution

The fourth proportional to 7,128,034.20, 10,692,051.30 and 6,876,091.80 is: 10,314,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,034.20 : 10,692,051.30 = 6,876,091.80 : x
  2. Step 2: Convert to fraction form
    7,128,034.20/10,692,051.30 = 6,876,091.80/x
  3. Step 3: Cross multiply
    7,128,034.20x = 10,692,051.30 × 6,876,091.80
  4. Step 4: Simplify right side
    7,128,034.20x = 73,519,526,269,109.34
  5. Step 5: Solve for x
    x = 73,519,526,269,109.34/7,128,034.20
  6. Step 6: Final answer
    x = 10,314,137.70

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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.