Finding the Fourth Proportional to 10,323,905.60, 15,487,925.52 and 5,781,414.26
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Solution
The fourth proportional to 10,323,905.60, 15,487,925.52 and 5,781,414.26 is: 8,673,278.98
Step by Step Solution
- Step 1: Write the proportion equation
10,323,905.60 : 15,487,925.52 = 5,781,414.26 : x - Step 2: Convert to fraction form
10,323,905.60/15,487,925.52 = 5,781,414.26/x - Step 3: Cross multiply
10,323,905.60x = 15,487,925.52 × 5,781,414.26 - Step 4: Simplify right side
10,323,905.60x = 89,542,113,459,145.91 - Step 5: Solve for x
x = 89,542,113,459,145.91/10,323,905.60 - Step 6: Final answer
x = 8,673,278.98
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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.