Finding the Fourth Proportional to 15,053,307.08, 20,775,344.49 and 8,941,759.88
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Solution
The fourth proportional to 15,053,307.08, 20,775,344.49 and 8,941,759.88 is: 12,340,686.39
Step by Step Solution
- Step 1: Write the proportion equation
15,053,307.08 : 20,775,344.49 = 8,941,759.88 : x - Step 2: Convert to fraction form
15,053,307.08/20,775,344.49 = 8,941,759.88/x - Step 3: Cross multiply
15,053,307.08x = 20,775,344.49 × 8,941,759.88 - Step 4: Simplify right side
15,053,307.08x = 185,768,141,749,984.31 - Step 5: Solve for x
x = 185,768,141,749,984.31/15,053,307.08 - Step 6: Final answer
x = 12,340,686.39
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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.