Home / 12,896,209.60-17,796,768.63-7,094,866.78

Finding the Fourth Proportional to 12,896,209.60, 17,796,768.63 and 7,094,866.78

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Solution

The fourth proportional to 12,896,209.60, 17,796,768.63 and 7,094,866.78 is: 9,790,915.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,209.60 : 17,796,768.63 = 7,094,866.78 : x
  2. Step 2: Convert to fraction form
    12,896,209.60/17,796,768.63 = 7,094,866.78/x
  3. Step 3: Cross multiply
    12,896,209.60x = 17,796,768.63 × 7,094,866.78
  4. Step 4: Simplify right side
    12,896,209.60x = 126,265,702,539,973.31
  5. Step 5: Solve for x
    x = 126,265,702,539,973.31/12,896,209.60
  6. Step 6: Final answer
    x = 9,790,915.82

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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.