Home / 18,710,311.50-28,065,468.33-4,526,887.50

Finding the Fourth Proportional to 18,710,311.50, 28,065,468.33 and 4,526,887.50

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Solution

The fourth proportional to 18,710,311.50, 28,065,468.33 and 4,526,887.50 is: 6,790,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710,311.50 : 28,065,468.33 = 4,526,887.50 : x
  2. Step 2: Convert to fraction form
    18,710,311.50/28,065,468.33 = 4,526,887.50/x
  3. Step 3: Cross multiply
    18,710,311.50x = 28,065,468.33 × 4,526,887.50
  4. Step 4: Simplify right side
    18,710,311.50x = 127,049,217,764,722.86
  5. Step 5: Solve for x
    x = 127,049,217,764,722.86/18,710,311.50
  6. Step 6: Final answer
    x = 6,790,331.51

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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.