Finding the Fourth Proportional to 32,569,916.20, 48,840,128.70 and 12,368,444.20
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Solution
The fourth proportional to 32,569,916.20, 48,840,128.70 and 12,368,444.20 is: 18,547,066.65
Step by Step Solution
- Step 1: Write the proportion equation
32,569,916.20 : 48,840,128.70 = 12,368,444.20 : x - Step 2: Convert to fraction form
32,569,916.20/48,840,128.70 = 12,368,444.20/x - Step 3: Cross multiply
32,569,916.20x = 48,840,128.70 × 12,368,444.20 - Step 4: Simplify right side
32,569,916.20x = 604,076,406,546,768.50 - Step 5: Solve for x
x = 604,076,406,546,768.50/32,569,916.20 - Step 6: Final answer
x = 18,547,066.65
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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.