Home / 28,608,003.90-42,912,005.85-7,042,434.30

Finding the Fourth Proportional to 28,608,003.90, 42,912,005.85 and 7,042,434.30

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Solution

The fourth proportional to 28,608,003.90, 42,912,005.85 and 7,042,434.30 is: 10,563,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,003.90 : 42,912,005.85 = 7,042,434.30 : x
  2. Step 2: Convert to fraction form
    28,608,003.90/42,912,005.85 = 7,042,434.30/x
  3. Step 3: Cross multiply
    28,608,003.90x = 42,912,005.85 × 7,042,434.30
  4. Step 4: Simplify right side
    28,608,003.90x = 302,204,981,879,840.69
  5. Step 5: Solve for x
    x = 302,204,981,879,840.69/28,608,003.90
  6. Step 6: Final answer
    x = 10,563,651.45

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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.