Home / 8,590,776.40-11,855,348.04-4,670,540.88

Finding the Fourth Proportional to 8,590,776.40, 11,855,348.04 and 4,670,540.88

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Solution

The fourth proportional to 8,590,776.40, 11,855,348.04 and 4,670,540.88 is: 6,445,388.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590,776.40 : 11,855,348.04 = 4,670,540.88 : x
  2. Step 2: Convert to fraction form
    8,590,776.40/11,855,348.04 = 4,670,540.88/x
  3. Step 3: Cross multiply
    8,590,776.40x = 11,855,348.04 × 4,670,540.88
  4. Step 4: Simplify right side
    8,590,776.40x = 55,370,887,667,447.87
  5. Step 5: Solve for x
    x = 55,370,887,667,447.87/8,590,776.40
  6. Step 6: Final answer
    x = 6,445,388.06

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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.