Home / 11,813,638.50-16,302,827.61-6,381,130.50

Finding the Fourth Proportional to 11,813,638.50, 16,302,827.61 and 6,381,130.50

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Solution

The fourth proportional to 11,813,638.50, 16,302,827.61 and 6,381,130.50 is: 8,805,963.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813,638.50 : 16,302,827.61 = 6,381,130.50 : x
  2. Step 2: Convert to fraction form
    11,813,638.50/16,302,827.61 = 6,381,130.50/x
  3. Step 3: Cross multiply
    11,813,638.50x = 16,302,827.61 × 6,381,130.50
  4. Step 4: Simplify right side
    11,813,638.50x = 104,030,470,498,413.09
  5. Step 5: Solve for x
    x = 104,030,470,498,413.09/11,813,638.50
  6. Step 6: Final answer
    x = 8,805,963.59

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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.