Home / 11,875,754.45-16,383,669.93-7,225,811.78

Finding the Fourth Proportional to 11,875,754.45, 16,383,669.93 and 7,225,811.78

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Solution

The fourth proportional to 11,875,754.45, 16,383,669.93 and 7,225,811.78 is: 9,968,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875,754.45 : 16,383,669.93 = 7,225,811.78 : x
  2. Step 2: Convert to fraction form
    11,875,754.45/16,383,669.93 = 7,225,811.78/x
  3. Step 3: Cross multiply
    11,875,754.45x = 16,383,669.93 × 7,225,811.78
  4. Step 4: Simplify right side
    11,875,754.45x = 118,385,315,143,984.86
  5. Step 5: Solve for x
    x = 118,385,315,143,984.86/11,875,754.45
  6. Step 6: Final answer
    x = 9,968,656.36

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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.