Home / 13,215,200.70-19,822,801.05-13,215,200.70

Finding the Fourth Proportional to 13,215,200.70, 19,822,801.05 and 13,215,200.70

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Solution

The fourth proportional to 13,215,200.70, 19,822,801.05 and 13,215,200.70 is: 19,822,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215,200.70 : 19,822,801.05 = 13,215,200.70 : x
  2. Step 2: Convert to fraction form
    13,215,200.70/19,822,801.05 = 13,215,200.70/x
  3. Step 3: Cross multiply
    13,215,200.70x = 19,822,801.05 × 13,215,200.70
  4. Step 4: Simplify right side
    13,215,200.70x = 261,962,294,311,920.72
  5. Step 5: Solve for x
    x = 261,962,294,311,920.72/13,215,200.70
  6. Step 6: Final answer
    x = 19,822,801.05

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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.