Home / 12,515,477.94-18,776,146.13-3,879,127.02

Finding the Fourth Proportional to 12,515,477.94, 18,776,146.13 and 3,879,127.02

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Solution

The fourth proportional to 12,515,477.94, 18,776,146.13 and 3,879,127.02 is: 5,819,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515,477.94 : 18,776,146.13 = 3,879,127.02 : x
  2. Step 2: Convert to fraction form
    12,515,477.94/18,776,146.13 = 3,879,127.02/x
  3. Step 3: Cross multiply
    12,515,477.94x = 18,776,146.13 × 3,879,127.02
  4. Step 4: Simplify right side
    12,515,477.94x = 72,835,055,764,955.80
  5. Step 5: Solve for x
    x = 72,835,055,764,955.80/12,515,477.94
  6. Step 6: Final answer
    x = 5,819,598.43

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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.