Home / 11,715,409.35-16,165,340.40-7,361,412.21

Finding the Fourth Proportional to 11,715,409.35, 16,165,340.40 and 7,361,412.21

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Solution

The fourth proportional to 11,715,409.35, 16,165,340.40 and 7,361,412.21 is: 10,157,539.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715,409.35 : 16,165,340.40 = 7,361,412.21 : x
  2. Step 2: Convert to fraction form
    11,715,409.35/16,165,340.40 = 7,361,412.21/x
  3. Step 3: Cross multiply
    11,715,409.35x = 16,165,340.40 × 7,361,412.21
  4. Step 4: Simplify right side
    11,715,409.35x = 118,999,734,199,366.28
  5. Step 5: Solve for x
    x = 118,999,734,199,366.28/11,715,409.35
  6. Step 6: Final answer
    x = 10,157,539.58

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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.