Home / 38,188,146.69-52,699,639.50-20,784,616.69

Finding the Fourth Proportional to 38,188,146.69, 52,699,639.50 and 20,784,616.69

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Solution

The fourth proportional to 38,188,146.69, 52,699,639.50 and 20,784,616.69 is: 28,682,769.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,188,146.69 : 52,699,639.50 = 20,784,616.69 : x
  2. Step 2: Convert to fraction form
    38,188,146.69/52,699,639.50 = 20,784,616.69/x
  3. Step 3: Cross multiply
    38,188,146.69x = 52,699,639.50 × 20,784,616.69
  4. Step 4: Simplify right side
    38,188,146.69x = 1,095,341,806,708,683.38
  5. Step 5: Solve for x
    x = 1,095,341,806,708,683.38/38,188,146.69
  6. Step 6: Final answer
    x = 28,682,769.44

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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.