Home / 28,858,033.50-39,825,338.07-15,980,977.50

Finding the Fourth Proportional to 28,858,033.50, 39,825,338.07 and 15,980,977.50

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Solution

The fourth proportional to 28,858,033.50, 39,825,338.07 and 15,980,977.50 is: 22,054,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858,033.50 : 39,825,338.07 = 15,980,977.50 : x
  2. Step 2: Convert to fraction form
    28,858,033.50/39,825,338.07 = 15,980,977.50/x
  3. Step 3: Cross multiply
    28,858,033.50x = 39,825,338.07 × 15,980,977.50
  4. Step 4: Simplify right side
    28,858,033.50x = 636,447,831,626,563.38
  5. Step 5: Solve for x
    x = 636,447,831,626,563.38/28,858,033.50
  6. Step 6: Final answer
    x = 22,054,442.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.