Home / 20,736,049.40-31,104,074.10-19,098,423.80

Finding the Fourth Proportional to 20,736,049.40, 31,104,074.10 and 19,098,423.80

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Solution

The fourth proportional to 20,736,049.40, 31,104,074.10 and 19,098,423.80 is: 28,647,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,049.40 : 31,104,074.10 = 19,098,423.80 : x
  2. Step 2: Convert to fraction form
    20,736,049.40/31,104,074.10 = 19,098,423.80/x
  3. Step 3: Cross multiply
    20,736,049.40x = 31,104,074.10 × 19,098,423.80
  4. Step 4: Simplify right side
    20,736,049.40x = 594,038,789,068,403.62
  5. Step 5: Solve for x
    x = 594,038,789,068,403.62/20,736,049.40
  6. Step 6: Final answer
    x = 28,647,635.70

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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.