Home / 7,776,002.80-11,664,004.20-2,457,218.80

Finding the Fourth Proportional to 7,776,002.80, 11,664,004.20 and 2,457,218.80

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Solution

The fourth proportional to 7,776,002.80, 11,664,004.20 and 2,457,218.80 is: 3,685,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,002.80 : 11,664,004.20 = 2,457,218.80 : x
  2. Step 2: Convert to fraction form
    7,776,002.80/11,664,004.20 = 2,457,218.80/x
  3. Step 3: Cross multiply
    7,776,002.80x = 11,664,004.20 × 2,457,218.80
  4. Step 4: Simplify right side
    7,776,002.80x = 28,661,010,403,518.96
  5. Step 5: Solve for x
    x = 28,661,010,403,518.96/7,776,002.80
  6. Step 6: Final answer
    x = 3,685,828.20

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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.