Home / 19,423,621.80-29,135,432.70-18,594,311.40

Finding the Fourth Proportional to 19,423,621.80, 29,135,432.70 and 18,594,311.40

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Solution

The fourth proportional to 19,423,621.80, 29,135,432.70 and 18,594,311.40 is: 27,891,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423,621.80 : 29,135,432.70 = 18,594,311.40 : x
  2. Step 2: Convert to fraction form
    19,423,621.80/29,135,432.70 = 18,594,311.40/x
  3. Step 3: Cross multiply
    19,423,621.80x = 29,135,432.70 × 18,594,311.40
  4. Step 4: Simplify right side
    19,423,621.80x = 541,753,308,397,542.75
  5. Step 5: Solve for x
    x = 541,753,308,397,542.75/19,423,621.80
  6. Step 6: Final answer
    x = 27,891,467.10

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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.