Home / 13,887,698.12-20,832,543.64-4,789,661.92

Finding the Fourth Proportional to 13,887,698.12, 20,832,543.64 and 4,789,661.92

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Solution

The fourth proportional to 13,887,698.12, 20,832,543.64 and 4,789,661.92 is: 7,184,836.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,887,698.12 : 20,832,543.64 = 4,789,661.92 : x
  2. Step 2: Convert to fraction form
    13,887,698.12/20,832,543.64 = 4,789,661.92/x
  3. Step 3: Cross multiply
    13,887,698.12x = 20,832,543.64 × 4,789,661.92
  4. Step 4: Simplify right side
    13,887,698.12x = 99,780,840,969,246.19
  5. Step 5: Solve for x
    x = 99,780,840,969,246.19/13,887,698.12
  6. Step 6: Final answer
    x = 7,184,836.54

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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.