Home / 21,783,035.20-32,674,552.80-18,759,726.40

Finding the Fourth Proportional to 21,783,035.20, 32,674,552.80 and 18,759,726.40

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Solution

The fourth proportional to 21,783,035.20, 32,674,552.80 and 18,759,726.40 is: 28,139,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,783,035.20 : 32,674,552.80 = 18,759,726.40 : x
  2. Step 2: Convert to fraction form
    21,783,035.20/32,674,552.80 = 18,759,726.40/x
  3. Step 3: Cross multiply
    21,783,035.20x = 32,674,552.80 × 18,759,726.40
  4. Step 4: Simplify right side
    21,783,035.20x = 612,965,670,770,353.88
  5. Step 5: Solve for x
    x = 612,965,670,770,353.88/21,783,035.20
  6. Step 6: Final answer
    x = 28,139,589.60

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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.