Home / 20,095,212.60-30,142,818.90-19,171,423.80

Finding the Fourth Proportional to 20,095,212.60, 30,142,818.90 and 19,171,423.80

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Solution

The fourth proportional to 20,095,212.60, 30,142,818.90 and 19,171,423.80 is: 28,757,135.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,095,212.60 : 30,142,818.90 = 19,171,423.80 : x
  2. Step 2: Convert to fraction form
    20,095,212.60/30,142,818.90 = 19,171,423.80/x
  3. Step 3: Cross multiply
    20,095,212.60x = 30,142,818.90 × 19,171,423.80
  4. Step 4: Simplify right side
    20,095,212.60x = 577,880,755,658,549.88
  5. Step 5: Solve for x
    x = 577,880,755,658,549.88/20,095,212.60
  6. Step 6: Final answer
    x = 28,757,135.70

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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.