Home / 12,729,303.37-17,566,438.74-6,928,127.31

Finding the Fourth Proportional to 12,729,303.37, 17,566,438.74 and 6,928,127.31

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Solution

The fourth proportional to 12,729,303.37, 17,566,438.74 and 6,928,127.31 is: 9,560,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729,303.37 : 17,566,438.74 = 6,928,127.31 : x
  2. Step 2: Convert to fraction form
    12,729,303.37/17,566,438.74 = 6,928,127.31/x
  3. Step 3: Cross multiply
    12,729,303.37x = 17,566,438.74 × 6,928,127.31
  4. Step 4: Simplify right side
    12,729,303.37x = 121,702,523,974,035.97
  5. Step 5: Solve for x
    x = 121,702,523,974,035.97/12,729,303.37
  6. Step 6: Final answer
    x = 9,560,815.74

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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.