Home / 7,114,806.93-9,818,436.60-3,851,621.58

Finding the Fourth Proportional to 7,114,806.93, 9,818,436.60 and 3,851,621.58

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Solution

The fourth proportional to 7,114,806.93, 9,818,436.60 and 3,851,621.58 is: 5,315,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114,806.93 : 9,818,436.60 = 3,851,621.58 : x
  2. Step 2: Convert to fraction form
    7,114,806.93/9,818,436.60 = 3,851,621.58/x
  3. Step 3: Cross multiply
    7,114,806.93x = 9,818,436.60 × 3,851,621.58
  4. Step 4: Simplify right side
    7,114,806.93x = 37,816,902,290,421.83
  5. Step 5: Solve for x
    x = 37,816,902,290,421.83/7,114,806.93
  6. Step 6: Final answer
    x = 5,315,239.42

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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.