Finding the Fourth Proportional to 19,930,220.40, 27,503,703.99 and 10,762,862.34
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Solution
The fourth proportional to 19,930,220.40, 27,503,703.99 and 10,762,862.34 is: 14,852,749.94
Step by Step Solution
- Step 1: Write the proportion equation
19,930,220.40 : 27,503,703.99 = 10,762,862.34 : x - Step 2: Convert to fraction form
19,930,220.40/27,503,703.99 = 10,762,862.34/x - Step 3: Cross multiply
19,930,220.40x = 27,503,703.99 × 10,762,862.34 - Step 4: Simplify right side
19,930,220.40x = 296,018,579,884,478.69 - Step 5: Solve for x
x = 296,018,579,884,478.69/19,930,220.40 - Step 6: Final answer
x = 14,852,749.94
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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.