Home / 20,232,135.20-30,334,011.60-7,450,983.20

Finding the Fourth Proportional to 20,232,135.20, 30,334,011.60 and 7,450,983.20

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Solution

The fourth proportional to 20,232,135.20, 30,334,011.60 and 7,450,983.20 is: 11,171,248.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232,135.20 : 30,334,011.60 = 7,450,983.20 : x
  2. Step 2: Convert to fraction form
    20,232,135.20/30,334,011.60 = 7,450,983.20/x
  3. Step 3: Cross multiply
    20,232,135.20x = 30,334,011.60 × 7,450,983.20
  4. Step 4: Simplify right side
    20,232,135.20x = 226,018,210,820,205.12
  5. Step 5: Solve for x
    x = 226,018,210,820,205.12/20,232,135.20
  6. Step 6: Final answer
    x = 11,171,248.54

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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.