Home / 6,870,126.94-9,480,104.12-3,969,455.53

Finding the Fourth Proportional to 6,870,126.94, 9,480,104.12 and 3,969,455.53

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Solution

The fourth proportional to 6,870,126.94, 9,480,104.12 and 3,969,455.53 is: 5,477,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870,126.94 : 9,480,104.12 = 3,969,455.53 : x
  2. Step 2: Convert to fraction form
    6,870,126.94/9,480,104.12 = 3,969,455.53/x
  3. Step 3: Cross multiply
    6,870,126.94x = 9,480,104.12 × 3,969,455.53
  4. Step 4: Simplify right side
    6,870,126.94x = 37,630,851,710,333.16
  5. Step 5: Solve for x
    x = 37,630,851,710,333.16/6,870,126.94
  6. Step 6: Final answer
    x = 5,477,460.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.