Finding the Fourth Proportional to 19,932,316.20, 29,898,474.30 and 19,554,402.60
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Solution
The fourth proportional to 19,932,316.20, 29,898,474.30 and 19,554,402.60 is: 29,331,603.90
Step by Step Solution
- Step 1: Write the proportion equation
19,932,316.20 : 29,898,474.30 = 19,554,402.60 : x - Step 2: Convert to fraction form
19,932,316.20/29,898,474.30 = 19,554,402.60/x - Step 3: Cross multiply
19,932,316.20x = 29,898,474.30 × 19,554,402.60 - Step 4: Simplify right side
19,932,316.20x = 584,646,803,587,953.25 - Step 5: Solve for x
x = 584,646,803,587,953.25/19,932,316.20 - Step 6: Final answer
x = 29,331,603.90
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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.