Home / 20,064,908.58-30,089,661.03-8,543,070.96

Finding the Fourth Proportional to 20,064,908.58, 30,089,661.03 and 8,543,070.96

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Solution

The fourth proportional to 20,064,908.58, 30,089,661.03 and 8,543,070.96 is: 12,811,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064,908.58 : 30,089,661.03 = 8,543,070.96 : x
  2. Step 2: Convert to fraction form
    20,064,908.58/30,089,661.03 = 8,543,070.96/x
  3. Step 3: Cross multiply
    20,064,908.58x = 30,089,661.03 × 8,543,070.96
  4. Step 4: Simplify right side
    20,064,908.58x = 257,058,109,341,636.72
  5. Step 5: Solve for x
    x = 257,058,109,341,636.72/20,064,908.58
  6. Step 6: Final answer
    x = 12,811,327.21

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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.