Finding the Fourth Proportional to 13,187,065.80, 19,764,852.30 and 6,794,027.40
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Solution
The fourth proportional to 13,187,065.80, 19,764,852.30 and 6,794,027.40 is: 10,182,928.49
Step by Step Solution
- Step 1: Write the proportion equation
13,187,065.80 : 19,764,852.30 = 6,794,027.40 : x - Step 2: Convert to fraction form
13,187,065.80/19,764,852.30 = 6,794,027.40/x - Step 3: Cross multiply
13,187,065.80x = 19,764,852.30 × 6,794,027.40 - Step 4: Simplify right side
13,187,065.80x = 134,282,948,083,153.03 - Step 5: Solve for x
x = 134,282,948,083,153.03/13,187,065.80 - Step 6: Final answer
x = 10,182,928.49
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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.