Home / 7,720,300.80-11,583,259.20-2,672,121.60

Finding the Fourth Proportional to 7,720,300.80, 11,583,259.20 and 2,672,121.60

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Solution

The fourth proportional to 7,720,300.80, 11,583,259.20 and 2,672,121.60 is: 4,009,154.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720,300.80 : 11,583,259.20 = 2,672,121.60 : x
  2. Step 2: Convert to fraction form
    7,720,300.80/11,583,259.20 = 2,672,121.60/x
  3. Step 3: Cross multiply
    7,720,300.80x = 11,583,259.20 × 2,672,121.60
  4. Step 4: Simplify right side
    7,720,300.80x = 30,951,877,106,718.72
  5. Step 5: Solve for x
    x = 30,951,877,106,718.72/7,720,300.80
  6. Step 6: Final answer
    x = 4,009,154.29

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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.