Home / 30,228,355.88-41,701,994.84-19,209,205.59

Finding the Fourth Proportional to 30,228,355.88, 41,701,994.84 and 19,209,205.59

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Solution

The fourth proportional to 30,228,355.88, 41,701,994.84 and 19,209,205.59 is: 26,500,356.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,228,355.88 : 41,701,994.84 = 19,209,205.59 : x
  2. Step 2: Convert to fraction form
    30,228,355.88/41,701,994.84 = 19,209,205.59/x
  3. Step 3: Cross multiply
    30,228,355.88x = 41,701,994.84 × 19,209,205.59
  4. Step 4: Simplify right side
    30,228,355.88x = 801,062,192,286,319.75
  5. Step 5: Solve for x
    x = 801,062,192,286,319.75/30,228,355.88
  6. Step 6: Final answer
    x = 26,500,356.01

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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.