Home / 30,496,647.75-42,085,669.14-16,745,907.12

Finding the Fourth Proportional to 30,496,647.75, 42,085,669.14 and 16,745,907.12

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Solution

The fourth proportional to 30,496,647.75, 42,085,669.14 and 16,745,907.12 is: 23,109,513.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,496,647.75 : 42,085,669.14 = 16,745,907.12 : x
  2. Step 2: Convert to fraction form
    30,496,647.75/42,085,669.14 = 16,745,907.12/x
  3. Step 3: Cross multiply
    30,496,647.75x = 42,085,669.14 × 16,745,907.12
  4. Step 4: Simplify right side
    30,496,647.75x = 704,762,706,501,490.25
  5. Step 5: Solve for x
    x = 704,762,706,501,490.25/30,496,647.75
  6. Step 6: Final answer
    x = 23,109,513.95

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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.