Home / 6,912,212.80-10,368,319.20-1,864,033.60

Finding the Fourth Proportional to 6,912,212.80, 10,368,319.20 and 1,864,033.60

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Solution

The fourth proportional to 6,912,212.80, 10,368,319.20 and 1,864,033.60 is: 2,796,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,212.80 : 10,368,319.20 = 1,864,033.60 : x
  2. Step 2: Convert to fraction form
    6,912,212.80/10,368,319.20 = 1,864,033.60/x
  3. Step 3: Cross multiply
    6,912,212.80x = 10,368,319.20 × 1,864,033.60
  4. Step 4: Simplify right side
    6,912,212.80x = 19,326,895,364,325.12
  5. Step 5: Solve for x
    x = 19,326,895,364,325.12/6,912,212.80
  6. Step 6: Final answer
    x = 2,796,050.40

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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.