Home / 28,119,976.30-42,179,964.45-8,952,670.90

Finding the Fourth Proportional to 28,119,976.30, 42,179,964.45 and 8,952,670.90

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Solution

The fourth proportional to 28,119,976.30, 42,179,964.45 and 8,952,670.90 is: 13,429,006.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,119,976.30 : 42,179,964.45 = 8,952,670.90 : x
  2. Step 2: Convert to fraction form
    28,119,976.30/42,179,964.45 = 8,952,670.90/x
  3. Step 3: Cross multiply
    28,119,976.30x = 42,179,964.45 × 8,952,670.90
  4. Step 4: Simplify right side
    28,119,976.30x = 377,623,340,294,549.56
  5. Step 5: Solve for x
    x = 377,623,340,294,549.56/28,119,976.30
  6. Step 6: Final answer
    x = 13,429,006.35

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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.