Home / 12,907,263.84-17,811,347.68-7,104,912.32

Finding the Fourth Proportional to 12,907,263.84, 17,811,347.68 and 7,104,912.32

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Solution

The fourth proportional to 12,907,263.84, 17,811,347.68 and 7,104,912.32 is: 9,804,406.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907,263.84 : 17,811,347.68 = 7,104,912.32 : x
  2. Step 2: Convert to fraction form
    12,907,263.84/17,811,347.68 = 7,104,912.32/x
  3. Step 3: Cross multiply
    12,907,263.84x = 17,811,347.68 × 7,104,912.32
  4. Step 4: Simplify right side
    12,907,263.84x = 126,548,063,567,435.42
  5. Step 5: Solve for x
    x = 126,548,063,567,435.42/12,907,263.84
  6. Step 6: Final answer
    x = 9,804,406.66

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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.