Finding the Fourth Proportional to 14,470,703.01, 19,969,804.13 and 7,944,934.05
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Solution
The fourth proportional to 14,470,703.01, 19,969,804.13 and 7,944,934.05 is: 10,964,137.45
Step by Step Solution
- Step 1: Write the proportion equation
14,470,703.01 : 19,969,804.13 = 7,944,934.05 : x - Step 2: Convert to fraction form
14,470,703.01/19,969,804.13 = 7,944,934.05/x - Step 3: Cross multiply
14,470,703.01x = 19,969,804.13 × 7,944,934.05 - Step 4: Simplify right side
14,470,703.01x = 158,658,776,804,267.62 - Step 5: Solve for x
x = 158,658,776,804,267.62/14,470,703.01 - Step 6: Final answer
x = 10,964,137.45
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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.