Home / 20,064,929.08-30,089,691.76-8,543,091.48

Finding the Fourth Proportional to 20,064,929.08, 30,089,691.76 and 8,543,091.48

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Solution

The fourth proportional to 20,064,929.08, 30,089,691.76 and 8,543,091.48 is: 12,811,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064,929.08 : 30,089,691.76 = 8,543,091.48 : x
  2. Step 2: Convert to fraction form
    20,064,929.08/30,089,691.76 = 8,543,091.48/x
  3. Step 3: Cross multiply
    20,064,929.08x = 30,089,691.76 × 8,543,091.48
  4. Step 4: Simplify right side
    20,064,929.08x = 257,058,989,310,682.22
  5. Step 5: Solve for x
    x = 257,058,989,310,682.22/20,064,929.08
  6. Step 6: Final answer
    x = 12,811,357.98

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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.