Home / 13,194,999.12-18,198,302.98-9,287,689.89

Finding the Fourth Proportional to 13,194,999.12, 18,198,302.98 and 9,287,689.89

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Solution

The fourth proportional to 13,194,999.12, 18,198,302.98 and 9,287,689.89 is: 12,809,413.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194,999.12 : 18,198,302.98 = 9,287,689.89 : x
  2. Step 2: Convert to fraction form
    13,194,999.12/18,198,302.98 = 9,287,689.89/x
  3. Step 3: Cross multiply
    13,194,999.12x = 18,198,302.98 × 9,287,689.89
  4. Step 4: Simplify right side
    13,194,999.12x = 169,020,194,602,502.88
  5. Step 5: Solve for x
    x = 169,020,194,602,502.88/13,194,999.12
  6. Step 6: Final answer
    x = 12,809,413.10

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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.