Home / 14,287,670.25-19,714,647.68-8,412,255.67

Finding the Fourth Proportional to 14,287,670.25, 19,714,647.68 and 8,412,255.67

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Solution

The fourth proportional to 14,287,670.25, 19,714,647.68 and 8,412,255.67 is: 11,607,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287,670.25 : 19,714,647.68 = 8,412,255.67 : x
  2. Step 2: Convert to fraction form
    14,287,670.25/19,714,647.68 = 8,412,255.67/x
  3. Step 3: Cross multiply
    14,287,670.25x = 19,714,647.68 × 8,412,255.67
  4. Step 4: Simplify right side
    14,287,670.25x = 165,844,656,587,497.81
  5. Step 5: Solve for x
    x = 165,844,656,587,497.81/14,287,670.25
  6. Step 6: Final answer
    x = 11,607,536.69

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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.