Home / 7,879,207.20-11,810,062.80-3,085,303.20

Finding the Fourth Proportional to 7,879,207.20, 11,810,062.80 and 3,085,303.20

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Solution

The fourth proportional to 7,879,207.20, 11,810,062.80 and 3,085,303.20 is: 4,624,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,879,207.20 : 11,810,062.80 = 3,085,303.20 : x
  2. Step 2: Convert to fraction form
    7,879,207.20/11,810,062.80 = 3,085,303.20/x
  3. Step 3: Cross multiply
    7,879,207.20x = 11,810,062.80 × 3,085,303.20
  4. Step 4: Simplify right side
    7,879,207.20x = 36,437,624,549,040.96
  5. Step 5: Solve for x
    x = 36,437,624,549,040.96/7,879,207.20
  6. Step 6: Final answer
    x = 4,624,529.30

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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.