Home / 8,973,919.88-13,439,426.70-5,175,888.20

Finding the Fourth Proportional to 8,973,919.88, 13,439,426.70 and 5,175,888.20

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Solution

The fourth proportional to 8,973,919.88, 13,439,426.70 and 5,175,888.20 is: 7,751,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973,919.88 : 13,439,426.70 = 5,175,888.20 : x
  2. Step 2: Convert to fraction form
    8,973,919.88/13,439,426.70 = 5,175,888.20/x
  3. Step 3: Cross multiply
    8,973,919.88x = 13,439,426.70 × 5,175,888.20
  4. Step 4: Simplify right side
    8,973,919.88x = 69,560,970,071,294.94
  5. Step 5: Solve for x
    x = 69,560,970,071,294.94/8,973,919.88
  6. Step 6: Final answer
    x = 7,751,458.78

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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.