Home / 20,096,401.19-30,146,400.08-7,800,076.27

Finding the Fourth Proportional to 20,096,401.19, 30,146,400.08 and 7,800,076.27

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Solution

The fourth proportional to 20,096,401.19, 30,146,400.08 and 7,800,076.27 is: 11,700,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096,401.19 : 30,146,400.08 = 7,800,076.27 : x
  2. Step 2: Convert to fraction form
    20,096,401.19/30,146,400.08 = 7,800,076.27/x
  3. Step 3: Cross multiply
    20,096,401.19x = 30,146,400.08 × 7,800,076.27
  4. Step 4: Simplify right side
    20,096,401.19x = 235,144,219,889,934.06
  5. Step 5: Solve for x
    x = 235,144,219,889,934.06/20,096,401.19
  6. Step 6: Final answer
    x = 11,700,812.38

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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.