Finding the Fourth Proportional to 19,876,807.70, 29,799,465.15 and 10,901,359.70
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Solution
The fourth proportional to 19,876,807.70, 29,799,465.15 and 10,901,359.70 is: 16,343,403.50
Step by Step Solution
- Step 1: Write the proportion equation
19,876,807.70 : 29,799,465.15 = 10,901,359.70 : x - Step 2: Convert to fraction form
19,876,807.70/29,799,465.15 = 10,901,359.70/x - Step 3: Cross multiply
19,876,807.70x = 29,799,465.15 × 10,901,359.70 - Step 4: Simplify right side
19,876,807.70x = 324,854,688,467,764.44 - Step 5: Solve for x
x = 324,854,688,467,764.44/19,876,807.70 - Step 6: Final answer
x = 16,343,403.50
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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.