Home / 28,003,797.20-42,000,511.80-7,804,859.60

Finding the Fourth Proportional to 28,003,797.20, 42,000,511.80 and 7,804,859.60

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Solution

The fourth proportional to 28,003,797.20, 42,000,511.80 and 7,804,859.60 is: 11,705,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003,797.20 : 42,000,511.80 = 7,804,859.60 : x
  2. Step 2: Convert to fraction form
    28,003,797.20/42,000,511.80 = 7,804,859.60/x
  3. Step 3: Cross multiply
    28,003,797.20x = 42,000,511.80 × 7,804,859.60
  4. Step 4: Simplify right side
    28,003,797.20x = 327,808,097,727,143.25
  5. Step 5: Solve for x
    x = 327,808,097,727,143.25/28,003,797.20
  6. Step 6: Final answer
    x = 11,705,844.58

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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.