Home / 30,344,679.90-45,517,019.85-17,390,805.53

Finding the Fourth Proportional to 30,344,679.90, 45,517,019.85 and 17,390,805.53

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Solution

The fourth proportional to 30,344,679.90, 45,517,019.85 and 17,390,805.53 is: 26,086,208.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,344,679.90 : 45,517,019.85 = 17,390,805.53 : x
  2. Step 2: Convert to fraction form
    30,344,679.90/45,517,019.85 = 17,390,805.53/x
  3. Step 3: Cross multiply
    30,344,679.90x = 45,517,019.85 × 17,390,805.53
  4. Step 4: Simplify right side
    30,344,679.90x = 791,577,640,288,914.62
  5. Step 5: Solve for x
    x = 791,577,640,288,914.62/30,344,679.90
  6. Step 6: Final answer
    x = 26,086,208.29

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1.5x scale

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.