Home / 13,215,000.55-19,822,500.83-13,215,000.55

Finding the Fourth Proportional to 13,215,000.55, 19,822,500.83 and 13,215,000.55

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Solution

The fourth proportional to 13,215,000.55, 19,822,500.83 and 13,215,000.55 is: 19,822,500.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,215,000.55 : 19,822,500.83 = 13,215,000.55 : x
  2. Step 2: Convert to fraction form
    13,215,000.55/19,822,500.83 = 13,215,000.55/x
  3. Step 3: Cross multiply
    13,215,000.55x = 19,822,500.83 × 13,215,000.55
  4. Step 4: Simplify right side
    13,215,000.55x = 261,954,359,304,750.47
  5. Step 5: Solve for x
    x = 261,954,359,304,750.47/13,215,000.55
  6. Step 6: Final answer
    x = 19,822,500.83

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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.