Home / 8,264,241.68-11,406,007.08-6,885,398.72

Finding the Fourth Proportional to 8,264,241.68, 11,406,007.08 and 6,885,398.72

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Solution

The fourth proportional to 8,264,241.68, 11,406,007.08 and 6,885,398.72 is: 9,502,977.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264,241.68 : 11,406,007.08 = 6,885,398.72 : x
  2. Step 2: Convert to fraction form
    8,264,241.68/11,406,007.08 = 6,885,398.72/x
  3. Step 3: Cross multiply
    8,264,241.68x = 11,406,007.08 × 6,885,398.72
  4. Step 4: Simplify right side
    8,264,241.68x = 78,534,906,548,942.94
  5. Step 5: Solve for x
    x = 78,534,906,548,942.94/8,264,241.68
  6. Step 6: Final answer
    x = 9,502,977.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.