Home / 12,129,332.94-16,738,712.46-6,622,926.12

Finding the Fourth Proportional to 12,129,332.94, 16,738,712.46 and 6,622,926.12

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Solution

The fourth proportional to 12,129,332.94, 16,738,712.46 and 6,622,926.12 is: 9,139,765.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,332.94 : 16,738,712.46 = 6,622,926.12 : x
  2. Step 2: Convert to fraction form
    12,129,332.94/16,738,712.46 = 6,622,926.12/x
  3. Step 3: Cross multiply
    12,129,332.94x = 16,738,712.46 × 6,622,926.12
  4. Step 4: Simplify right side
    12,129,332.94x = 110,859,255,966,503.47
  5. Step 5: Solve for x
    x = 110,859,255,966,503.47/12,129,332.94
  6. Step 6: Final answer
    x = 9,139,765.27

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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.