Home / 7,006,871.27-9,669,468.99-3,909,210.32

Finding the Fourth Proportional to 7,006,871.27, 9,669,468.99 and 3,909,210.32

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Solution

The fourth proportional to 7,006,871.27, 9,669,468.99 and 3,909,210.32 is: 5,394,702.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006,871.27 : 9,669,468.99 = 3,909,210.32 : x
  2. Step 2: Convert to fraction form
    7,006,871.27/9,669,468.99 = 3,909,210.32/x
  3. Step 3: Cross multiply
    7,006,871.27x = 9,669,468.99 × 3,909,210.32
  4. Step 4: Simplify right side
    7,006,871.27x = 37,799,987,964,627.98
  5. Step 5: Solve for x
    x = 37,799,987,964,627.98/7,006,871.27
  6. Step 6: Final answer
    x = 5,394,702.79

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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.