Home / 8,362,100.80-12,552,482.40-7,813,892.80

Finding the Fourth Proportional to 8,362,100.80, 12,552,482.40 and 7,813,892.80

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Solution

The fourth proportional to 8,362,100.80, 12,552,482.40 and 7,813,892.80 is: 11,729,558.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362,100.80 : 12,552,482.40 = 7,813,892.80 : x
  2. Step 2: Convert to fraction form
    8,362,100.80/12,552,482.40 = 7,813,892.80/x
  3. Step 3: Cross multiply
    8,362,100.80x = 12,552,482.40 × 7,813,892.80
  4. Step 4: Simplify right side
    8,362,100.80x = 98,083,751,847,486.72
  5. Step 5: Solve for x
    x = 98,083,751,847,486.72/8,362,100.80
  6. Step 6: Final answer
    x = 11,729,558.66

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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.