Home / 28,186,550.45-38,896,778.04-16,584,865.37

Finding the Fourth Proportional to 28,186,550.45, 38,896,778.04 and 16,584,865.37

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Solution

The fourth proportional to 28,186,550.45, 38,896,778.04 and 16,584,865.37 is: 22,886,724.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186,550.45 : 38,896,778.04 = 16,584,865.37 : x
  2. Step 2: Convert to fraction form
    28,186,550.45/38,896,778.04 = 16,584,865.37/x
  3. Step 3: Cross multiply
    28,186,550.45x = 38,896,778.04 × 16,584,865.37
  4. Step 4: Simplify right side
    28,186,550.45x = 645,097,826,925,688.62
  5. Step 5: Solve for x
    x = 645,097,826,925,688.62/28,186,550.45
  6. Step 6: Final answer
    x = 22,886,724.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.