Finding the Fourth Proportional to 10,390,512.60, 15,586,125.30 and 3,201,989.40
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Solution
The fourth proportional to 10,390,512.60, 15,586,125.30 and 3,201,989.40 is: 4,803,093.93
Step by Step Solution
- Step 1: Write the proportion equation
10,390,512.60 : 15,586,125.30 = 3,201,989.40 : x - Step 2: Convert to fraction form
10,390,512.60/15,586,125.30 = 3,201,989.40/x - Step 3: Cross multiply
10,390,512.60x = 15,586,125.30 × 3,201,989.40 - Step 4: Simplify right side
10,390,512.60x = 49,906,607,997,671.82 - Step 5: Solve for x
x = 49,906,607,997,671.82/10,390,512.60 - Step 6: Final answer
x = 4,803,093.93
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.