Finding the Fourth Proportional to 14,185,844.74, 19,575,355.62 and 7,990,620.49
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Solution
The fourth proportional to 14,185,844.74, 19,575,355.62 and 7,990,620.49 is: 11,026,430.97
Step by Step Solution
- Step 1: Write the proportion equation
14,185,844.74 : 19,575,355.62 = 7,990,620.49 : x - Step 2: Convert to fraction form
14,185,844.74/19,575,355.62 = 7,990,620.49/x - Step 3: Cross multiply
14,185,844.74x = 19,575,355.62 × 7,990,620.49 - Step 4: Simplify right side
14,185,844.74x = 156,419,237,716,208.66 - Step 5: Solve for x
x = 156,419,237,716,208.66/14,185,844.74 - Step 6: Final answer
x = 11,026,430.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.