Home / 28,365,081.39-42,479,441.55-16,197,706.89

Finding the Fourth Proportional to 28,365,081.39, 42,479,441.55 and 16,197,706.89

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Solution

The fourth proportional to 28,365,081.39, 42,479,441.55 and 16,197,706.89 is: 24,257,626.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,365,081.39 : 42,479,441.55 = 16,197,706.89 : x
  2. Step 2: Convert to fraction form
    28,365,081.39/42,479,441.55 = 16,197,706.89/x
  3. Step 3: Cross multiply
    28,365,081.39x = 42,479,441.55 × 16,197,706.89
  4. Step 4: Simplify right side
    28,365,081.39x = 688,069,543,077,787.25
  5. Step 5: Solve for x
    x = 688,069,543,077,787.25/28,365,081.39
  6. Step 6: Final answer
    x = 24,257,626.26

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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.