Home / 51,519,906.12-77,279,465.48-13,181,358.72

Finding the Fourth Proportional to 51,519,906.12, 77,279,465.48 and 13,181,358.72

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Solution

The fourth proportional to 51,519,906.12, 77,279,465.48 and 13,181,358.72 is: 19,771,937.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,519,906.12 : 77,279,465.48 = 13,181,358.72 : x
  2. Step 2: Convert to fraction form
    51,519,906.12/77,279,465.48 = 13,181,358.72/x
  3. Step 3: Cross multiply
    51,519,906.12x = 77,279,465.48 × 13,181,358.72
  4. Step 4: Simplify right side
    51,519,906.12x = 1,018,648,356,405,628.12
  5. Step 5: Solve for x
    x = 1,018,648,356,405,628.12/51,519,906.12
  6. Step 6: Final answer
    x = 19,771,937.35

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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.