Finding the Fourth Proportional to 19,013,119.84, 26,237,926.80 and 10,311,484.48
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Solution
The fourth proportional to 19,013,119.84, 26,237,926.80 and 10,311,484.48 is: 14,229,751.73
Step by Step Solution
- Step 1: Write the proportion equation
19,013,119.84 : 26,237,926.80 = 10,311,484.48 : x - Step 2: Convert to fraction form
19,013,119.84/26,237,926.80 = 10,311,484.48/x - Step 3: Cross multiply
19,013,119.84x = 26,237,926.80 × 10,311,484.48 - Step 4: Simplify right side
19,013,119.84x = 270,551,974,985,576.09 - Step 5: Solve for x
x = 270,551,974,985,576.09/19,013,119.84 - Step 6: Final answer
x = 14,229,751.73
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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.