Home / 20,215,241.40-30,322,862.10-19,683,800.40

Finding the Fourth Proportional to 20,215,241.40, 30,322,862.10 and 19,683,800.40

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Solution

The fourth proportional to 20,215,241.40, 30,322,862.10 and 19,683,800.40 is: 29,525,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215,241.40 : 30,322,862.10 = 19,683,800.40 : x
  2. Step 2: Convert to fraction form
    20,215,241.40/30,322,862.10 = 19,683,800.40/x
  3. Step 3: Cross multiply
    20,215,241.40x = 30,322,862.10 × 19,683,800.40
  4. Step 4: Simplify right side
    20,215,241.40x = 596,869,165,133,124.88
  5. Step 5: Solve for x
    x = 596,869,165,133,124.88/20,215,241.40
  6. Step 6: Final answer
    x = 29,525,700.60

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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.