Home / 28,211,753.52-42,331,003.44-13,630,499.40

Finding the Fourth Proportional to 28,211,753.52, 42,331,003.44 and 13,630,499.40

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Solution

The fourth proportional to 28,211,753.52, 42,331,003.44 and 13,630,499.40 is: 20,452,210.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,211,753.52 : 42,331,003.44 = 13,630,499.40 : x
  2. Step 2: Convert to fraction form
    28,211,753.52/42,331,003.44 = 13,630,499.40/x
  3. Step 3: Cross multiply
    28,211,753.52x = 42,331,003.44 × 13,630,499.40
  4. Step 4: Simplify right side
    28,211,753.52x = 576,992,716,990,317.88
  5. Step 5: Solve for x
    x = 576,992,716,990,317.88/28,211,753.52
  6. Step 6: Final answer
    x = 20,452,210.34

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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.