Finding the Fourth Proportional to 10,859,813.56, 14,986,132.14 and 6,031,228.60
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Solution
The fourth proportional to 10,859,813.56, 14,986,132.14 and 6,031,228.60 is: 8,322,867.45
Step by Step Solution
- Step 1: Write the proportion equation
10,859,813.56 : 14,986,132.14 = 6,031,228.60 : x - Step 2: Convert to fraction form
10,859,813.56/14,986,132.14 = 6,031,228.60/x - Step 3: Cross multiply
10,859,813.56x = 14,986,132.14 × 6,031,228.60 - Step 4: Simplify right side
10,859,813.56x = 90,384,788,766,147.20 - Step 5: Solve for x
x = 90,384,788,766,147.20/10,859,813.56 - Step 6: Final answer
x = 8,322,867.45
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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.