Home / 7,945,221.51-11,919,018.11-3,685,820.31

Finding the Fourth Proportional to 7,945,221.51, 11,919,018.11 and 3,685,820.31

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Solution

The fourth proportional to 7,945,221.51, 11,919,018.11 and 3,685,820.31 is: 5,529,280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945,221.51 : 11,919,018.11 = 3,685,820.31 : x
  2. Step 2: Convert to fraction form
    7,945,221.51/11,919,018.11 = 3,685,820.31/x
  3. Step 3: Cross multiply
    7,945,221.51x = 11,919,018.11 × 3,685,820.31
  4. Step 4: Simplify right side
    7,945,221.51x = 43,931,359,006,666.72
  5. Step 5: Solve for x
    x = 43,931,359,006,666.72/7,945,221.51
  6. Step 6: Final answer
    x = 5,529,280.58

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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.