Home / 19,190,189.20-28,774,740.88-9,453,377.44

Finding the Fourth Proportional to 19,190,189.20, 28,774,740.88 and 9,453,377.44

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Solution

The fourth proportional to 19,190,189.20, 28,774,740.88 and 9,453,377.44 is: 14,174,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190,189.20 : 28,774,740.88 = 9,453,377.44 : x
  2. Step 2: Convert to fraction form
    19,190,189.20/28,774,740.88 = 9,453,377.44/x
  3. Step 3: Cross multiply
    19,190,189.20x = 28,774,740.88 × 9,453,377.44
  4. Step 4: Simplify right side
    19,190,189.20x = 272,018,486,276,837.72
  5. Step 5: Solve for x
    x = 272,018,486,276,837.72/19,190,189.20
  6. Step 6: Final answer
    x = 14,174,872.56

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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.