Home / 38,678,997.51-57,998,530.22-11,381,742.63

Finding the Fourth Proportional to 38,678,997.51, 57,998,530.22 and 11,381,742.63

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Solution

The fourth proportional to 38,678,997.51, 57,998,530.22 and 11,381,742.63 is: 17,066,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,678,997.51 : 57,998,530.22 = 11,381,742.63 : x
  2. Step 2: Convert to fraction form
    38,678,997.51/57,998,530.22 = 11,381,742.63/x
  3. Step 3: Cross multiply
    38,678,997.51x = 57,998,530.22 × 11,381,742.63
  4. Step 4: Simplify right side
    38,678,997.51x = 660,124,343,825,408.62
  5. Step 5: Solve for x
    x = 660,124,343,825,408.62/38,678,997.51
  6. Step 6: Final answer
    x = 17,066,738.70

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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.