Home / 21,998,911.15-30,250,817.40-19,093,241.89

Finding the Fourth Proportional to 21,998,911.15, 30,250,817.40 and 19,093,241.89

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Solution

The fourth proportional to 21,998,911.15, 30,250,817.40 and 19,093,241.89 is: 26,255,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998,911.15 : 30,250,817.40 = 19,093,241.89 : x
  2. Step 2: Convert to fraction form
    21,998,911.15/30,250,817.40 = 19,093,241.89/x
  3. Step 3: Cross multiply
    21,998,911.15x = 30,250,817.40 × 19,093,241.89
  4. Step 4: Simplify right side
    21,998,911.15x = 577,586,173,988,420.88
  5. Step 5: Solve for x
    x = 577,586,173,988,420.88/21,998,911.15
  6. Step 6: Final answer
    x = 26,255,216.45

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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.