Home / 9,391,968.80-14,105,060.40-8,216,237.60

Finding the Fourth Proportional to 9,391,968.80, 14,105,060.40 and 8,216,237.60

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Solution

The fourth proportional to 9,391,968.80, 14,105,060.40 and 8,216,237.60 is: 12,339,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,391,968.80 : 14,105,060.40 = 8,216,237.60 : x
  2. Step 2: Convert to fraction form
    9,391,968.80/14,105,060.40 = 8,216,237.60/x
  3. Step 3: Cross multiply
    9,391,968.80x = 14,105,060.40 × 8,216,237.60
  4. Step 4: Simplify right side
    9,391,968.80x = 115,890,527,608,751.03
  5. Step 5: Solve for x
    x = 115,890,527,608,751.03/9,391,968.80
  6. Step 6: Final answer
    x = 12,339,322.04

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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.