Home / 20,353,536.66-30,530,149.47-5,207,443.86

Finding the Fourth Proportional to 20,353,536.66, 30,530,149.47 and 5,207,443.86

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Solution

The fourth proportional to 20,353,536.66, 30,530,149.47 and 5,207,443.86 is: 7,811,126.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,353,536.66 : 30,530,149.47 = 5,207,443.86 : x
  2. Step 2: Convert to fraction form
    20,353,536.66/30,530,149.47 = 5,207,443.86/x
  3. Step 3: Cross multiply
    20,353,536.66x = 30,530,149.47 × 5,207,443.86
  4. Step 4: Simplify right side
    20,353,536.66x = 158,984,039,402,433.75
  5. Step 5: Solve for x
    x = 158,984,039,402,433.75/20,353,536.66
  6. Step 6: Final answer
    x = 7,811,126.00

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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.