Home / 9,106,909.67-13,656,473.69-5,271,379.48

Finding the Fourth Proportional to 9,106,909.67, 13,656,473.69 and 5,271,379.48

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Solution

The fourth proportional to 9,106,909.67, 13,656,473.69 and 5,271,379.48 is: 7,904,817.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106,909.67 : 13,656,473.69 = 5,271,379.48 : x
  2. Step 2: Convert to fraction form
    9,106,909.67/13,656,473.69 = 5,271,379.48/x
  3. Step 3: Cross multiply
    9,106,909.67x = 13,656,473.69 × 5,271,379.48
  4. Step 4: Simplify right side
    9,106,909.67x = 71,988,455,118,127.80
  5. Step 5: Solve for x
    x = 71,988,455,118,127.80/9,106,909.67
  6. Step 6: Final answer
    x = 7,904,817.09

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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.