Home / 7,149,020.40-9,865,714.19-3,885,842.79

Finding the Fourth Proportional to 7,149,020.40, 9,865,714.19 and 3,885,842.79

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Solution

The fourth proportional to 7,149,020.40, 9,865,714.19 and 3,885,842.79 is: 5,362,498.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149,020.40 : 9,865,714.19 = 3,885,842.79 : x
  2. Step 2: Convert to fraction form
    7,149,020.40/9,865,714.19 = 3,885,842.79/x
  3. Step 3: Cross multiply
    7,149,020.40x = 9,865,714.19 × 3,885,842.79
  4. Step 4: Simplify right side
    7,149,020.40x = 38,336,614,333,982.98
  5. Step 5: Solve for x
    x = 38,336,614,333,982.98/7,149,020.40
  6. Step 6: Final answer
    x = 5,362,498.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.