Home / 7,280,813.20-10,921,219.80-6,832,040.80

Finding the Fourth Proportional to 7,280,813.20, 10,921,219.80 and 6,832,040.80

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Solution

The fourth proportional to 7,280,813.20, 10,921,219.80 and 6,832,040.80 is: 10,248,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,813.20 : 10,921,219.80 = 6,832,040.80 : x
  2. Step 2: Convert to fraction form
    7,280,813.20/10,921,219.80 = 6,832,040.80/x
  3. Step 3: Cross multiply
    7,280,813.20x = 10,921,219.80 × 6,832,040.80
  4. Step 4: Simplify right side
    7,280,813.20x = 74,614,219,259,367.84
  5. Step 5: Solve for x
    x = 74,614,219,259,367.84/7,280,813.20
  6. Step 6: Final answer
    x = 10,248,061.20

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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.