Home / 20,502,000.35-30,753,000.53-8,367,430.85

Finding the Fourth Proportional to 20,502,000.35, 30,753,000.53 and 8,367,430.85

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Solution

The fourth proportional to 20,502,000.35, 30,753,000.53 and 8,367,430.85 is: 12,551,146.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502,000.35 : 30,753,000.53 = 8,367,430.85 : x
  2. Step 2: Convert to fraction form
    20,502,000.35/30,753,000.53 = 8,367,430.85/x
  3. Step 3: Cross multiply
    20,502,000.35x = 30,753,000.53 × 8,367,430.85
  4. Step 4: Simplify right side
    20,502,000.35x = 257,323,605,322,951.19
  5. Step 5: Solve for x
    x = 257,323,605,322,951.19/20,502,000.35
  6. Step 6: Final answer
    x = 12,551,146.28

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1.5x scale

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.