Home / 12,303,659.63-16,979,536.00-7,076,659.47

Finding the Fourth Proportional to 12,303,659.63, 16,979,536.00 and 7,076,659.47

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Solution

The fourth proportional to 12,303,659.63, 16,979,536.00 and 7,076,659.47 is: 9,766,069.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,659.63 : 16,979,536.00 = 7,076,659.47 : x
  2. Step 2: Convert to fraction form
    12,303,659.63/16,979,536.00 = 7,076,659.47/x
  3. Step 3: Cross multiply
    12,303,659.63x = 16,979,536.00 × 7,076,659.47
  4. Step 4: Simplify right side
    12,303,659.63x = 120,158,394,175,778.47
  5. Step 5: Solve for x
    x = 120,158,394,175,778.47/12,303,659.63
  6. Step 6: Final answer
    x = 9,766,069.43

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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.