Home / 47,910,992.07-71,837,703.25-18,730,075.75

Finding the Fourth Proportional to 47,910,992.07, 71,837,703.25 and 18,730,075.75

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Solution

The fourth proportional to 47,910,992.07, 71,837,703.25 and 18,730,075.75 is: 28,083,860.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,910,992.07 : 71,837,703.25 = 18,730,075.75 : x
  2. Step 2: Convert to fraction form
    47,910,992.07/71,837,703.25 = 18,730,075.75/x
  3. Step 3: Cross multiply
    47,910,992.07x = 71,837,703.25 × 18,730,075.75
  4. Step 4: Simplify right side
    47,910,992.07x = 1,345,525,623,354,197
  5. Step 5: Solve for x
    x = 1,345,525,623,354,197/47,910,992.07
  6. Step 6: Final answer
    x = 28,083,860.62

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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.