Finding the Fourth Proportional to 12,294,460.18, 16,966,275.74 and 6,788,178.19
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Solution
The fourth proportional to 12,294,460.18, 16,966,275.74 and 6,788,178.19 is: 9,367,642.11
Step by Step Solution
- Step 1: Write the proportion equation
12,294,460.18 : 16,966,275.74 = 6,788,178.19 : x - Step 2: Convert to fraction form
12,294,460.18/16,966,275.74 = 6,788,178.19/x - Step 3: Cross multiply
12,294,460.18x = 16,966,275.74 × 6,788,178.19 - Step 4: Simplify right side
12,294,460.18x = 115,170,102,858,962.72 - Step 5: Solve for x
x = 115,170,102,858,962.72/12,294,460.18 - Step 6: Final answer
x = 9,367,642.11
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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.