Home / 13,000,470.86-17,940,633.60-7,199,245.59

Finding the Fourth Proportional to 13,000,470.86, 17,940,633.60 and 7,199,245.59

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Solution

The fourth proportional to 13,000,470.86, 17,940,633.60 and 7,199,245.59 is: 9,934,949.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000,470.86 : 17,940,633.60 = 7,199,245.59 : x
  2. Step 2: Convert to fraction form
    13,000,470.86/17,940,633.60 = 7,199,245.59/x
  3. Step 3: Cross multiply
    13,000,470.86x = 17,940,633.60 × 7,199,245.59
  4. Step 4: Simplify right side
    13,000,470.86x = 129,159,027,290,609.58
  5. Step 5: Solve for x
    x = 129,159,027,290,609.58/13,000,470.86
  6. Step 6: Final answer
    x = 9,934,949.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.