Home / 20,247,107.70-30,373,325.55-7,476,582.90

Finding the Fourth Proportional to 20,247,107.70, 30,373,325.55 and 7,476,582.90

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Solution

The fourth proportional to 20,247,107.70, 30,373,325.55 and 7,476,582.90 is: 11,215,858.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,247,107.70 : 30,373,325.55 = 7,476,582.90 : x
  2. Step 2: Convert to fraction form
    20,247,107.70/30,373,325.55 = 7,476,582.90/x
  3. Step 3: Cross multiply
    20,247,107.70x = 30,373,325.55 × 7,476,582.90
  4. Step 4: Simplify right side
    20,247,107.70x = 227,088,686,423,263.12
  5. Step 5: Solve for x
    x = 227,088,686,423,263.12/20,247,107.70
  6. Step 6: Final answer
    x = 11,215,858.08

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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.