Home / 13,653,778.16-20,483,657.97-5,134,114.63

Finding the Fourth Proportional to 13,653,778.16, 20,483,657.97 and 5,134,114.63

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Solution

The fourth proportional to 13,653,778.16, 20,483,657.97 and 5,134,114.63 is: 7,702,296.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653,778.16 : 20,483,657.97 = 5,134,114.63 : x
  2. Step 2: Convert to fraction form
    13,653,778.16/20,483,657.97 = 5,134,114.63/x
  3. Step 3: Cross multiply
    13,653,778.16x = 20,483,657.97 × 5,134,114.63
  4. Step 4: Simplify right side
    13,653,778.16x = 105,165,448,066,044.73
  5. Step 5: Solve for x
    x = 105,165,448,066,044.73/13,653,778.16
  6. Step 6: Final answer
    x = 7,702,296.52

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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.