Finding the Fourth Proportional to 62,651,608.61, 86,457,916.94 and 34,772,683.26
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Solution
The fourth proportional to 62,651,608.61, 86,457,916.94 and 34,772,683.26 is: 47,985,579.75
Step by Step Solution
- Step 1: Write the proportion equation
62,651,608.61 : 86,457,916.94 = 34,772,683.26 : x - Step 2: Convert to fraction form
62,651,608.61/86,457,916.94 = 34,772,683.26/x - Step 3: Cross multiply
62,651,608.61x = 86,457,916.94 × 34,772,683.26 - Step 4: Simplify right side
62,651,608.61x = 3,006,373,761,160,940 - Step 5: Solve for x
x = 3,006,373,761,160,940/62,651,608.61 - Step 6: Final answer
x = 47,985,579.75
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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.