Home / 13,439,159.80-20,158,739.70-8,064,388.60

Finding the Fourth Proportional to 13,439,159.80, 20,158,739.70 and 8,064,388.60

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Solution

The fourth proportional to 13,439,159.80, 20,158,739.70 and 8,064,388.60 is: 12,096,582.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439,159.80 : 20,158,739.70 = 8,064,388.60 : x
  2. Step 2: Convert to fraction form
    13,439,159.80/20,158,739.70 = 8,064,388.60/x
  3. Step 3: Cross multiply
    13,439,159.80x = 20,158,739.70 × 8,064,388.60
  4. Step 4: Simplify right side
    13,439,159.80x = 162,567,910,627,047.41
  5. Step 5: Solve for x
    x = 162,567,910,627,047.41/13,439,159.80
  6. Step 6: Final answer
    x = 12,096,582.90

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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.