Home / 11,166,661.80-16,746,056.10-3,978,430.20

Finding the Fourth Proportional to 11,166,661.80, 16,746,056.10 and 3,978,430.20

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Solution

The fourth proportional to 11,166,661.80, 16,746,056.10 and 3,978,430.20 is: 5,966,242.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166,661.80 : 16,746,056.10 = 3,978,430.20 : x
  2. Step 2: Convert to fraction form
    11,166,661.80/16,746,056.10 = 3,978,430.20/x
  3. Step 3: Cross multiply
    11,166,661.80x = 16,746,056.10 × 3,978,430.20
  4. Step 4: Simplify right side
    11,166,661.80x = 66,623,015,319,134.22
  5. Step 5: Solve for x
    x = 66,623,015,319,134.22/11,166,661.80
  6. Step 6: Final answer
    x = 5,966,242.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.