Home / 7,768,840.80-11,652,240.60-2,378,031.60

Finding the Fourth Proportional to 7,768,840.80, 11,652,240.60 and 2,378,031.60

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Solution

The fourth proportional to 7,768,840.80, 11,652,240.60 and 2,378,031.60 is: 3,566,735.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768,840.80 : 11,652,240.60 = 2,378,031.60 : x
  2. Step 2: Convert to fraction form
    7,768,840.80/11,652,240.60 = 2,378,031.60/x
  3. Step 3: Cross multiply
    7,768,840.80x = 11,652,240.60 × 2,378,031.60
  4. Step 4: Simplify right side
    7,768,840.80x = 27,709,396,357,602.96
  5. Step 5: Solve for x
    x = 27,709,396,357,602.96/7,768,840.80
  6. Step 6: Final answer
    x = 3,566,735.00

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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.