Home / 8,421,705.12-11,622,046.96-4,554,301.76

Finding the Fourth Proportional to 8,421,705.12, 11,622,046.96 and 4,554,301.76

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Solution

The fourth proportional to 8,421,705.12, 11,622,046.96 and 4,554,301.76 is: 6,284,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,705.12 : 11,622,046.96 = 4,554,301.76 : x
  2. Step 2: Convert to fraction form
    8,421,705.12/11,622,046.96 = 4,554,301.76/x
  3. Step 3: Cross multiply
    8,421,705.12x = 11,622,046.96 × 4,554,301.76
  4. Step 4: Simplify right side
    8,421,705.12x = 52,930,308,924,730.65
  5. Step 5: Solve for x
    x = 52,930,308,924,730.65/8,421,705.12
  6. Step 6: Final answer
    x = 6,284,987.21

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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.