Home / 11,039,790.80-16,528,193.40-9,780,078.80

Finding the Fourth Proportional to 11,039,790.80, 16,528,193.40 and 9,780,078.80

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Solution

The fourth proportional to 11,039,790.80, 16,528,193.40 and 9,780,078.80 is: 14,642,218.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,039,790.80 : 16,528,193.40 = 9,780,078.80 : x
  2. Step 2: Convert to fraction form
    11,039,790.80/16,528,193.40 = 9,780,078.80/x
  3. Step 3: Cross multiply
    11,039,790.80x = 16,528,193.40 × 9,780,078.80
  4. Step 4: Simplify right side
    11,039,790.80x = 161,647,033,873,639.94
  5. Step 5: Solve for x
    x = 161,647,033,873,639.94/11,039,790.80
  6. Step 6: Final answer
    x = 14,642,218.93

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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.