Home / 20,181,132.60-30,200,840.10-13,803,840.60

Finding the Fourth Proportional to 20,181,132.60, 30,200,840.10 and 13,803,840.60

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Solution

The fourth proportional to 20,181,132.60, 30,200,840.10 and 13,803,840.60 is: 20,657,293.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181,132.60 : 30,200,840.10 = 13,803,840.60 : x
  2. Step 2: Convert to fraction form
    20,181,132.60/30,200,840.10 = 13,803,840.60/x
  3. Step 3: Cross multiply
    20,181,132.60x = 30,200,840.10 × 13,803,840.60
  4. Step 4: Simplify right side
    20,181,132.60x = 416,887,582,726,488.06
  5. Step 5: Solve for x
    x = 416,887,582,726,488.06/20,181,132.60
  6. Step 6: Final answer
    x = 20,657,293.67

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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.