Home / 8,686,488.20-13,029,832.58-2,621,272.46

Finding the Fourth Proportional to 8,686,488.20, 13,029,832.58 and 2,621,272.46

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Solution

The fourth proportional to 8,686,488.20, 13,029,832.58 and 2,621,272.46 is: 3,931,938.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,488.20 : 13,029,832.58 = 2,621,272.46 : x
  2. Step 2: Convert to fraction form
    8,686,488.20/13,029,832.58 = 2,621,272.46/x
  3. Step 3: Cross multiply
    8,686,488.20x = 13,029,832.58 × 2,621,272.46
  4. Step 4: Simplify right side
    8,686,488.20x = 34,154,741,222,109.22
  5. Step 5: Solve for x
    x = 34,154,741,222,109.22/8,686,488.20
  6. Step 6: Final answer
    x = 3,931,938.94

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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.