Finding the Fourth Proportional to 14,754,101.28, 20,360,747.16 and 8,228,142.96
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Solution
The fourth proportional to 14,754,101.28, 20,360,747.16 and 8,228,142.96 is: 11,354,886.02
Step by Step Solution
- Step 1: Write the proportion equation
14,754,101.28 : 20,360,747.16 = 8,228,142.96 : x - Step 2: Convert to fraction form
14,754,101.28/20,360,747.16 = 8,228,142.96/x - Step 3: Cross multiply
14,754,101.28x = 20,360,747.16 × 8,228,142.96 - Step 4: Simplify right side
14,754,101.28x = 167,531,138,404,894 - Step 5: Solve for x
x = 167,531,138,404,894/14,754,101.28 - Step 6: Final answer
x = 11,354,886.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.