Home / 8,675,530.72-11,961,590.16-7,039,304.80

Finding the Fourth Proportional to 8,675,530.72, 11,961,590.16 and 7,039,304.80

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Solution

The fourth proportional to 8,675,530.72, 11,961,590.16 and 7,039,304.80 is: 9,705,605.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675,530.72 : 11,961,590.16 = 7,039,304.80 : x
  2. Step 2: Convert to fraction form
    8,675,530.72/11,961,590.16 = 7,039,304.80/x
  3. Step 3: Cross multiply
    8,675,530.72x = 11,961,590.16 × 7,039,304.80
  4. Step 4: Simplify right side
    8,675,530.72x = 84,201,279,028,920.77
  5. Step 5: Solve for x
    x = 84,201,279,028,920.77/8,675,530.72
  6. Step 6: Final answer
    x = 9,705,605.54

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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.