Home / 7,881,602.80-11,813,218.80-3,622,201.60

Finding the Fourth Proportional to 7,881,602.80, 11,813,218.80 and 3,622,201.60

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Solution

The fourth proportional to 7,881,602.80, 11,813,218.80 and 3,622,201.60 is: 5,429,081.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,602.80 : 11,813,218.80 = 3,622,201.60 : x
  2. Step 2: Convert to fraction form
    7,881,602.80/11,813,218.80 = 3,622,201.60/x
  3. Step 3: Cross multiply
    7,881,602.80x = 11,813,218.80 × 3,622,201.60
  4. Step 4: Simplify right side
    7,881,602.80x = 42,789,860,038,510.09
  5. Step 5: Solve for x
    x = 42,789,860,038,510.09/7,881,602.80
  6. Step 6: Final answer
    x = 5,429,081.00

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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.