Home / 28,429,949.08-42,634,945.50-7,954,166.44

Finding the Fourth Proportional to 28,429,949.08, 42,634,945.50 and 7,954,166.44

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Solution

The fourth proportional to 28,429,949.08, 42,634,945.50 and 7,954,166.44 is: 11,928,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,429,949.08 : 42,634,945.50 = 7,954,166.44 : x
  2. Step 2: Convert to fraction form
    28,429,949.08/42,634,945.50 = 7,954,166.44/x
  3. Step 3: Cross multiply
    28,429,949.08x = 42,634,945.50 × 7,954,166.44
  4. Step 4: Simplify right side
    28,429,949.08x = 339,125,452,667,329.06
  5. Step 5: Solve for x
    x = 339,125,452,667,329.06/28,429,949.08
  6. Step 6: Final answer
    x = 11,928,457.97

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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.