Home / 8,591,555.72-12,869,926.68-3,973,979

Finding the Fourth Proportional to 8,591,555.72, 12,869,926.68 and 3,973,979

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Solution

The fourth proportional to 8,591,555.72, 12,869,926.68 and 3,973,979 is: 5,952,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591,555.72 : 12,869,926.68 = 3,973,979 : x
  2. Step 2: Convert to fraction form
    8,591,555.72/12,869,926.68 = 3,973,979/x
  3. Step 3: Cross multiply
    8,591,555.72x = 12,869,926.68 × 3,973,979
  4. Step 4: Simplify right side
    8,591,555.72x = 51,144,818,357,859.72
  5. Step 5: Solve for x
    x = 51,144,818,357,859.72/8,591,555.72
  6. Step 6: Final answer
    x = 5,952,917.03

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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.