Home / 22,291,520.10-33,437,280.15-18,890,297.70

Finding the Fourth Proportional to 22,291,520.10, 33,437,280.15 and 18,890,297.70

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Solution

The fourth proportional to 22,291,520.10, 33,437,280.15 and 18,890,297.70 is: 28,335,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,291,520.10 : 33,437,280.15 = 18,890,297.70 : x
  2. Step 2: Convert to fraction form
    22,291,520.10/33,437,280.15 = 18,890,297.70/x
  3. Step 3: Cross multiply
    22,291,520.10x = 33,437,280.15 × 18,890,297.70
  4. Step 4: Simplify right side
    22,291,520.10x = 631,640,176,311,800.62
  5. Step 5: Solve for x
    x = 631,640,176,311,800.62/22,291,520.10
  6. Step 6: Final answer
    x = 28,335,446.55

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Double scale
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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.