Home / 20,412,715.50-30,608,442.27-9,627,120.27

Finding the Fourth Proportional to 20,412,715.50, 30,608,442.27 and 9,627,120.27

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Solution

The fourth proportional to 20,412,715.50, 30,608,442.27 and 9,627,120.27 is: 14,435,666.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412,715.50 : 30,608,442.27 = 9,627,120.27 : x
  2. Step 2: Convert to fraction form
    20,412,715.50/30,608,442.27 = 9,627,120.27/x
  3. Step 3: Cross multiply
    20,412,715.50x = 30,608,442.27 × 9,627,120.27
  4. Step 4: Simplify right side
    20,412,715.50x = 294,671,155,010,641.81
  5. Step 5: Solve for x
    x = 294,671,155,010,641.81/20,412,715.50
  6. Step 6: Final answer
    x = 14,435,666.58

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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.