Finding the Fourth Proportional to 19,930,218.40, 27,503,701.23 and 10,762,860.34
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Solution
The fourth proportional to 19,930,218.40, 27,503,701.23 and 10,762,860.34 is: 14,852,747.18
Step by Step Solution
- Step 1: Write the proportion equation
19,930,218.40 : 27,503,701.23 = 10,762,860.34 : x - Step 2: Convert to fraction form
19,930,218.40/27,503,701.23 = 10,762,860.34/x - Step 3: Cross multiply
19,930,218.40x = 27,503,701.23 × 10,762,860.34 - Step 4: Simplify right side
19,930,218.40x = 296,018,495,171,576.25 - Step 5: Solve for x
x = 296,018,495,171,576.25/19,930,218.40 - Step 6: Final answer
x = 14,852,747.18
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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.