Home / 28,134,138.30-42,201,207.45-16,796,730.30

Finding the Fourth Proportional to 28,134,138.30, 42,201,207.45 and 16,796,730.30

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Solution

The fourth proportional to 28,134,138.30, 42,201,207.45 and 16,796,730.30 is: 25,195,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,134,138.30 : 42,201,207.45 = 16,796,730.30 : x
  2. Step 2: Convert to fraction form
    28,134,138.30/42,201,207.45 = 16,796,730.30/x
  3. Step 3: Cross multiply
    28,134,138.30x = 42,201,207.45 × 16,796,730.30
  4. Step 4: Simplify right side
    28,134,138.30x = 708,842,299,872,000.88
  5. Step 5: Solve for x
    x = 708,842,299,872,000.88/28,134,138.30
  6. Step 6: Final answer
    x = 25,195,095.45

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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.