Home / 28,362,372.90-39,139,542.99-17,348,313.53

Finding the Fourth Proportional to 28,362,372.90, 39,139,542.99 and 17,348,313.53

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Solution

The fourth proportional to 28,362,372.90, 39,139,542.99 and 17,348,313.53 is: 23,940,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362,372.90 : 39,139,542.99 = 17,348,313.53 : x
  2. Step 2: Convert to fraction form
    28,362,372.90/39,139,542.99 = 17,348,313.53/x
  3. Step 3: Cross multiply
    28,362,372.90x = 39,139,542.99 × 17,348,313.53
  4. Step 4: Simplify right side
    28,362,372.90x = 679,005,063,211,433.75
  5. Step 5: Solve for x
    x = 679,005,063,211,433.75/28,362,372.90
  6. Step 6: Final answer
    x = 23,940,347.51

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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.