Finding the Fourth Proportional to 19,908,636.96, 27,459,250.97 and 15,014,065.35
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Solution
The fourth proportional to 19,908,636.96, 27,459,250.97 and 15,014,065.35 is: 20,708,348.31
Step by Step Solution
- Step 1: Write the proportion equation
19,908,636.96 : 27,459,250.97 = 15,014,065.35 : x - Step 2: Convert to fraction form
19,908,636.96/27,459,250.97 = 15,014,065.35/x - Step 3: Cross multiply
19,908,636.96x = 27,459,250.97 × 15,014,065.35 - Step 4: Simplify right side
19,908,636.96x = 412,274,988,525,630.88 - Step 5: Solve for x
x = 412,274,988,525,630.88/19,908,636.96 - Step 6: Final answer
x = 20,708,348.31
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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.