Home / 28,977,474.80-43,486,141.09-11,938,147.74

Finding the Fourth Proportional to 28,977,474.80, 43,486,141.09 and 11,938,147.74

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Solution

The fourth proportional to 28,977,474.80, 43,486,141.09 and 11,938,147.74 is: 17,915,431.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,474.80 : 43,486,141.09 = 11,938,147.74 : x
  2. Step 2: Convert to fraction form
    28,977,474.80/43,486,141.09 = 11,938,147.74/x
  3. Step 3: Cross multiply
    28,977,474.80x = 43,486,141.09 × 11,938,147.74
  4. Step 4: Simplify right side
    28,977,474.80x = 519,143,976,967,443.25
  5. Step 5: Solve for x
    x = 519,143,976,967,443.25/28,977,474.80
  6. Step 6: Final answer
    x = 17,915,431.92

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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.