Finding the Fourth Proportional to 19,876,806.70, 29,799,463.65 and 10,901,358.70
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Solution
The fourth proportional to 19,876,806.70, 29,799,463.65 and 10,901,358.70 is: 16,343,402.00
Step by Step Solution
- Step 1: Write the proportion equation
19,876,806.70 : 29,799,463.65 = 10,901,358.70 : x - Step 2: Convert to fraction form
19,876,806.70/29,799,463.65 = 10,901,358.70/x - Step 3: Cross multiply
19,876,806.70x = 29,799,463.65 × 10,901,358.70 - Step 4: Simplify right side
19,876,806.70x = 324,854,642,316,261.19 - Step 5: Solve for x
x = 324,854,642,316,261.19/19,876,806.70 - Step 6: Final answer
x = 16,343,402.00
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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.