Finding the Fourth Proportional to 10,369,639.24, 14,306,110.95 and 6,495,415.72
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Solution
The fourth proportional to 10,369,639.24, 14,306,110.95 and 6,495,415.72 is: 8,961,173.65
Step by Step Solution
- Step 1: Write the proportion equation
10,369,639.24 : 14,306,110.95 = 6,495,415.72 : x - Step 2: Convert to fraction form
10,369,639.24/14,306,110.95 = 6,495,415.72/x - Step 3: Cross multiply
10,369,639.24x = 14,306,110.95 × 6,495,415.72 - Step 4: Simplify right side
10,369,639.24x = 92,924,137,956,694.12 - Step 5: Solve for x
x = 92,924,137,956,694.12/10,369,639.24 - Step 6: Final answer
x = 8,961,173.65
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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.