Home / 7,193,928.15-9,927,325.42-3,930,854.89

Finding the Fourth Proportional to 7,193,928.15, 9,927,325.42 and 3,930,854.89

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Solution

The fourth proportional to 7,193,928.15, 9,927,325.42 and 3,930,854.89 is: 5,424,418.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,193,928.15 : 9,927,325.42 = 3,930,854.89 : x
  2. Step 2: Convert to fraction form
    7,193,928.15/9,927,325.42 = 3,930,854.89/x
  3. Step 3: Cross multiply
    7,193,928.15x = 9,927,325.42 × 3,930,854.89
  4. Step 4: Simplify right side
    7,193,928.15x = 39,022,875,671,828.30
  5. Step 5: Solve for x
    x = 39,022,875,671,828.30/7,193,928.15
  6. Step 6: Final answer
    x = 5,424,418.32

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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.