Home / 14,685,406.12-20,268,776.10-9,383,712.04

Finding the Fourth Proportional to 14,685,406.12, 20,268,776.10 and 9,383,712.04

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Solution

The fourth proportional to 14,685,406.12, 20,268,776.10 and 9,383,712.04 is: 12,951,385.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,685,406.12 : 20,268,776.10 = 9,383,712.04 : x
  2. Step 2: Convert to fraction form
    14,685,406.12/20,268,776.10 = 9,383,712.04/x
  3. Step 3: Cross multiply
    14,685,406.12x = 20,268,776.10 × 9,383,712.04
  4. Step 4: Simplify right side
    14,685,406.12x = 190,196,358,325,634.25
  5. Step 5: Solve for x
    x = 190,196,358,325,634.25/14,685,406.12
  6. Step 6: Final answer
    x = 12,951,385.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.