Home / 21,783,319.60-32,674,979.40-20,366,143.60

Finding the Fourth Proportional to 21,783,319.60, 32,674,979.40 and 20,366,143.60

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Solution

The fourth proportional to 21,783,319.60, 32,674,979.40 and 20,366,143.60 is: 30,549,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783,319.60 : 32,674,979.40 = 20,366,143.60 : x
  2. Step 2: Convert to fraction form
    21,783,319.60/32,674,979.40 = 20,366,143.60/x
  3. Step 3: Cross multiply
    21,783,319.60x = 32,674,979.40 × 20,366,143.60
  4. Step 4: Simplify right side
    21,783,319.60x = 665,463,322,587,441.88
  5. Step 5: Solve for x
    x = 665,463,322,587,441.88/21,783,319.60
  6. Step 6: Final answer
    x = 30,549,215.40

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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.