Home / 7,382,980.80-11,076,220.80-3,789,302.40

Finding the Fourth Proportional to 7,382,980.80, 11,076,220.80 and 3,789,302.40

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Solution

The fourth proportional to 7,382,980.80, 11,076,220.80 and 3,789,302.40 is: 5,684,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382,980.80 : 11,076,220.80 = 3,789,302.40 : x
  2. Step 2: Convert to fraction form
    7,382,980.80/11,076,220.80 = 3,789,302.40/x
  3. Step 3: Cross multiply
    7,382,980.80x = 11,076,220.80 × 3,789,302.40
  4. Step 4: Simplify right side
    7,382,980.80x = 41,971,150,060,369.92
  5. Step 5: Solve for x
    x = 41,971,150,060,369.92/7,382,980.80
  6. Step 6: Final answer
    x = 5,684,851.58

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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.