Home / 8,686,495.49-13,029,843.53-2,621,279.75

Finding the Fourth Proportional to 8,686,495.49, 13,029,843.53 and 2,621,279.75

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Solution

The fourth proportional to 8,686,495.49, 13,029,843.53 and 2,621,279.75 is: 3,931,949.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,495.49 : 13,029,843.53 = 2,621,279.75 : x
  2. Step 2: Convert to fraction form
    8,686,495.49/13,029,843.53 = 2,621,279.75/x
  3. Step 3: Cross multiply
    8,686,495.49x = 13,029,843.53 × 2,621,279.75
  4. Step 4: Simplify right side
    8,686,495.49x = 34,154,864,932,261.50
  5. Step 5: Solve for x
    x = 34,154,864,932,261.50/8,686,495.49
  6. Step 6: Final answer
    x = 3,931,949.89

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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.