Finding the Fourth Proportional to 11,831,143.13, 16,326,977.52 and 6,398,635.13
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Solution
The fourth proportional to 11,831,143.13, 16,326,977.52 and 6,398,635.13 is: 8,830,116.48
Step by Step Solution
- Step 1: Write the proportion equation
11,831,143.13 : 16,326,977.52 = 6,398,635.13 : x - Step 2: Convert to fraction form
11,831,143.13/16,326,977.52 = 6,398,635.13/x - Step 3: Cross multiply
11,831,143.13x = 16,326,977.52 × 6,398,635.13 - Step 4: Simplify right side
11,831,143.13x = 104,470,371,844,557.39 - Step 5: Solve for x
x = 104,470,371,844,557.39/11,831,143.13 - Step 6: Final answer
x = 8,830,116.48
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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.