Home / 7,193,918.77-9,927,312.49-3,930,845.52

Finding the Fourth Proportional to 7,193,918.77, 9,927,312.49 and 3,930,845.52

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Solution

The fourth proportional to 7,193,918.77, 9,927,312.49 and 3,930,845.52 is: 5,424,405.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193,918.77 : 9,927,312.49 = 3,930,845.52 : x
  2. Step 2: Convert to fraction form
    7,193,918.77/9,927,312.49 = 3,930,845.52/x
  3. Step 3: Cross multiply
    7,193,918.77x = 9,927,312.49 × 3,930,845.52
  4. Step 4: Simplify right side
    7,193,918.77x = 39,022,731,767,492.88
  5. Step 5: Solve for x
    x = 39,022,731,767,492.88/7,193,918.77
  6. Step 6: Final answer
    x = 5,424,405.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.