Home / 12,796,630.16-19,194,945.12-4,276,966.62

Finding the Fourth Proportional to 12,796,630.16, 19,194,945.12 and 4,276,966.62

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Solution

The fourth proportional to 12,796,630.16, 19,194,945.12 and 4,276,966.62 is: 6,415,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796,630.16 : 19,194,945.12 = 4,276,966.62 : x
  2. Step 2: Convert to fraction form
    12,796,630.16/19,194,945.12 = 4,276,966.62/x
  3. Step 3: Cross multiply
    12,796,630.16x = 19,194,945.12 × 4,276,966.62
  4. Step 4: Simplify right side
    12,796,630.16x = 82,096,139,550,971.91
  5. Step 5: Solve for x
    x = 82,096,139,550,971.91/12,796,630.16
  6. Step 6: Final answer
    x = 6,415,449.89

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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.