Home / 7,115,039.69-10,672,365.74-1,997,511.93

Finding the Fourth Proportional to 7,115,039.69, 10,672,365.74 and 1,997,511.93

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Solution

The fourth proportional to 7,115,039.69, 10,672,365.74 and 1,997,511.93 is: 2,996,213.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,039.69 : 10,672,365.74 = 1,997,511.93 : x
  2. Step 2: Convert to fraction form
    7,115,039.69/10,672,365.74 = 1,997,511.93/x
  3. Step 3: Cross multiply
    7,115,039.69x = 10,672,365.74 × 1,997,511.93
  4. Step 4: Simplify right side
    7,115,039.69x = 21,318,177,876,985.71
  5. Step 5: Solve for x
    x = 21,318,177,876,985.71/7,115,039.69
  6. Step 6: Final answer
    x = 2,996,213.49

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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.