Home / 20,225,093.10-30,337,639.65-13,422,648.30

Finding the Fourth Proportional to 20,225,093.10, 30,337,639.65 and 13,422,648.30

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Solution

The fourth proportional to 20,225,093.10, 30,337,639.65 and 13,422,648.30 is: 20,133,972.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225,093.10 : 30,337,639.65 = 13,422,648.30 : x
  2. Step 2: Convert to fraction form
    20,225,093.10/30,337,639.65 = 13,422,648.30/x
  3. Step 3: Cross multiply
    20,225,093.10x = 30,337,639.65 × 13,422,648.30
  4. Step 4: Simplify right side
    20,225,093.10x = 407,211,467,274,085.12
  5. Step 5: Solve for x
    x = 407,211,467,274,085.12/20,225,093.10
  6. Step 6: Final answer
    x = 20,133,972.45

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Similar ratio
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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.