Home / 20,629,501.16-30,944,217.90-5,483,432.84

Finding the Fourth Proportional to 20,629,501.16, 30,944,217.90 and 5,483,432.84

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Solution

The fourth proportional to 20,629,501.16, 30,944,217.90 and 5,483,432.84 is: 8,225,140.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629,501.16 : 30,944,217.90 = 5,483,432.84 : x
  2. Step 2: Convert to fraction form
    20,629,501.16/30,944,217.90 = 5,483,432.84/x
  3. Step 3: Cross multiply
    20,629,501.16x = 30,944,217.90 × 5,483,432.84
  4. Step 4: Simplify right side
    20,629,501.16x = 169,680,540,640,975.81
  5. Step 5: Solve for x
    x = 169,680,540,640,975.81/20,629,501.16
  6. Step 6: Final answer
    x = 8,225,140.27

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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.