Home / 7,111,572.80-10,659,064.80-2,849,633.60

Finding the Fourth Proportional to 7,111,572.80, 10,659,064.80 and 2,849,633.60

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Solution

The fourth proportional to 7,111,572.80, 10,659,064.80 and 2,849,633.60 is: 4,271,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,572.80 : 10,659,064.80 = 2,849,633.60 : x
  2. Step 2: Convert to fraction form
    7,111,572.80/10,659,064.80 = 2,849,633.60/x
  3. Step 3: Cross multiply
    7,111,572.80x = 10,659,064.80 × 2,849,633.60
  4. Step 4: Simplify right side
    7,111,572.80x = 30,374,429,198,657.28
  5. Step 5: Solve for x
    x = 30,374,429,198,657.28/7,111,572.80
  6. Step 6: Final answer
    x = 4,271,126.80

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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.