Home / 17,879,620.40-26,819,430.60-6,520,439.60

Finding the Fourth Proportional to 17,879,620.40, 26,819,430.60 and 6,520,439.60

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Solution

The fourth proportional to 17,879,620.40, 26,819,430.60 and 6,520,439.60 is: 9,780,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879,620.40 : 26,819,430.60 = 6,520,439.60 : x
  2. Step 2: Convert to fraction form
    17,879,620.40/26,819,430.60 = 6,520,439.60/x
  3. Step 3: Cross multiply
    17,879,620.40x = 26,819,430.60 × 6,520,439.60
  4. Step 4: Simplify right side
    17,879,620.40x = 174,874,477,333,691.75
  5. Step 5: Solve for x
    x = 174,874,477,333,691.75/17,879,620.40
  6. Step 6: Final answer
    x = 9,780,659.40

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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.