Finding the Fourth Proportional to 11,347,480.84, 15,658,885.48 and 6,453,893.40
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Solution
The fourth proportional to 11,347,480.84, 15,658,885.48 and 6,453,893.40 is: 8,906,009.98
Step by Step Solution
- Step 1: Write the proportion equation
11,347,480.84 : 15,658,885.48 = 6,453,893.40 : x - Step 2: Convert to fraction form
11,347,480.84/15,658,885.48 = 6,453,893.40/x - Step 3: Cross multiply
11,347,480.84x = 15,658,885.48 × 6,453,893.40 - Step 4: Simplify right side
11,347,480.84x = 101,060,777,650,727.84 - Step 5: Solve for x
x = 101,060,777,650,727.84/11,347,480.84 - Step 6: Final answer
x = 8,906,009.98
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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.