Finding the Fourth Proportional to 35,982,859.14, 53,974,446.12 and 11,390,905.80
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Solution
The fourth proportional to 35,982,859.14, 53,974,446.12 and 11,390,905.80 is: 17,086,408.53
Step by Step Solution
- Step 1: Write the proportion equation
35,982,859.14 : 53,974,446.12 = 11,390,905.80 : x - Step 2: Convert to fraction form
35,982,859.14/53,974,446.12 = 11,390,905.80/x - Step 3: Cross multiply
35,982,859.14x = 53,974,446.12 × 11,390,905.80 - Step 4: Simplify right side
35,982,859.14x = 614,817,831,360,095.50 - Step 5: Solve for x
x = 614,817,831,360,095.50/35,982,859.14 - Step 6: Final answer
x = 17,086,408.53
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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.