Home / 18,795,380.70-28,193,071.05-11,237,108.70

Finding the Fourth Proportional to 18,795,380.70, 28,193,071.05 and 11,237,108.70

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Solution

The fourth proportional to 18,795,380.70, 28,193,071.05 and 11,237,108.70 is: 16,855,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795,380.70 : 28,193,071.05 = 11,237,108.70 : x
  2. Step 2: Convert to fraction form
    18,795,380.70/28,193,071.05 = 11,237,108.70/x
  3. Step 3: Cross multiply
    18,795,380.70x = 28,193,071.05 × 11,237,108.70
  4. Step 4: Simplify right side
    18,795,380.70x = 316,808,603,975,673.12
  5. Step 5: Solve for x
    x = 316,808,603,975,673.12/18,795,380.70
  6. Step 6: Final answer
    x = 16,855,663.05

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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.