Home / 28,444,991.20-42,634,309.20-11,397,234.40

Finding the Fourth Proportional to 28,444,991.20, 42,634,309.20 and 11,397,234.40

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Solution

The fourth proportional to 28,444,991.20, 42,634,309.20 and 11,397,234.40 is: 17,082,558.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444,991.20 : 42,634,309.20 = 11,397,234.40 : x
  2. Step 2: Convert to fraction form
    28,444,991.20/42,634,309.20 = 11,397,234.40/x
  3. Step 3: Cross multiply
    28,444,991.20x = 42,634,309.20 × 11,397,234.40
  4. Step 4: Simplify right side
    28,444,991.20x = 485,913,215,434,476.50
  5. Step 5: Solve for x
    x = 485,913,215,434,476.50/28,444,991.20
  6. Step 6: Final answer
    x = 17,082,558.12

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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.