Home / 14,508,416.03-20,021,613.46-7,981,905.47

Finding the Fourth Proportional to 14,508,416.03, 20,021,613.46 and 7,981,905.47

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Solution

The fourth proportional to 14,508,416.03, 20,021,613.46 and 7,981,905.47 is: 11,015,029.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508,416.03 : 20,021,613.46 = 7,981,905.47 : x
  2. Step 2: Convert to fraction form
    14,508,416.03/20,021,613.46 = 7,981,905.47/x
  3. Step 3: Cross multiply
    14,508,416.03x = 20,021,613.46 × 7,981,905.47
  4. Step 4: Simplify right side
    14,508,416.03x = 159,810,626,024,698.91
  5. Step 5: Solve for x
    x = 159,810,626,024,698.91/14,508,416.03
  6. Step 6: Final answer
    x = 11,015,029.18

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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.