Home / 12,212,992.08-16,856,993.16-7,059,347.28

Finding the Fourth Proportional to 12,212,992.08, 16,856,993.16 and 7,059,347.28

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Solution

The fourth proportional to 12,212,992.08, 16,856,993.16 and 7,059,347.28 is: 9,743,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212,992.08 : 16,856,993.16 = 7,059,347.28 : x
  2. Step 2: Convert to fraction form
    12,212,992.08/16,856,993.16 = 7,059,347.28/x
  3. Step 3: Cross multiply
    12,212,992.08x = 16,856,993.16 × 7,059,347.28
  4. Step 4: Simplify right side
    12,212,992.08x = 118,999,368,813,024.61
  5. Step 5: Solve for x
    x = 118,999,368,813,024.61/12,212,992.08
  6. Step 6: Final answer
    x = 9,743,670.35

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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.