Finding the Fourth Proportional to 19,862,407.14, 29,793,420.36 and 11,769,557.28
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Solution
The fourth proportional to 19,862,407.14, 29,793,420.36 and 11,769,557.28 is: 17,654,223.13
Step by Step Solution
- Step 1: Write the proportion equation
19,862,407.14 : 29,793,420.36 = 11,769,557.28 : x - Step 2: Convert to fraction form
19,862,407.14/29,793,420.36 = 11,769,557.28/x - Step 3: Cross multiply
19,862,407.14x = 29,793,420.36 × 11,769,557.28 - Step 4: Simplify right side
19,862,407.14x = 350,655,367,494,138.19 - Step 5: Solve for x
x = 350,655,367,494,138.19/19,862,407.14 - Step 6: Final answer
x = 17,654,223.13
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.