Home / 20,298,140.80-30,447,211.20-16,471,765.60

Finding the Fourth Proportional to 20,298,140.80, 30,447,211.20 and 16,471,765.60

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Solution

The fourth proportional to 20,298,140.80, 30,447,211.20 and 16,471,765.60 is: 24,707,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,298,140.80 : 30,447,211.20 = 16,471,765.60 : x
  2. Step 2: Convert to fraction form
    20,298,140.80/30,447,211.20 = 16,471,765.60/x
  3. Step 3: Cross multiply
    20,298,140.80x = 30,447,211.20 × 16,471,765.60
  4. Step 4: Simplify right side
    20,298,140.80x = 501,519,326,060,094.69
  5. Step 5: Solve for x
    x = 501,519,326,060,094.69/20,298,140.80
  6. Step 6: Final answer
    x = 24,707,648.40

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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.