Finding the Fourth Proportional to 8,323,406.18, 12,484,827.87 and 2,931,915.71
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Solution
The fourth proportional to 8,323,406.18, 12,484,827.87 and 2,931,915.71 is: 4,397,774.45
Step by Step Solution
- Step 1: Write the proportion equation
8,323,406.18 : 12,484,827.87 = 2,931,915.71 : x - Step 2: Convert to fraction form
8,323,406.18/12,484,827.87 = 2,931,915.71/x - Step 3: Cross multiply
8,323,406.18x = 12,484,827.87 × 2,931,915.71 - Step 4: Simplify right side
8,323,406.18x = 36,604,462,988,916.23 - Step 5: Solve for x
x = 36,604,462,988,916.23/8,323,406.18 - Step 6: Final answer
x = 4,397,774.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.