Finding the Fourth Proportional to 10,658,072.88, 14,707,246.63 and 6,306,396.68
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Solution
The fourth proportional to 10,658,072.88, 14,707,246.63 and 6,306,396.68 is: 8,702,298.47
Step by Step Solution
- Step 1: Write the proportion equation
10,658,072.88 : 14,707,246.63 = 6,306,396.68 : x - Step 2: Convert to fraction form
10,658,072.88/14,707,246.63 = 6,306,396.68/x - Step 3: Cross multiply
10,658,072.88x = 14,707,246.63 × 6,306,396.68 - Step 4: Simplify right side
10,658,072.88x = 92,749,731,319,373.19 - Step 5: Solve for x
x = 92,749,731,319,373.19/10,658,072.88 - Step 6: Final answer
x = 8,702,298.47
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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.