Finding the Fourth Proportional to 21,026,558.83, 31,539,628.04 and 6,649,629.07
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Solution
The fourth proportional to 21,026,558.83, 31,539,628.04 and 6,649,629.07 is: 9,974,377.12
Step by Step Solution
- Step 1: Write the proportion equation
21,026,558.83 : 31,539,628.04 = 6,649,629.07 : x - Step 2: Convert to fraction form
21,026,558.83/31,539,628.04 = 6,649,629.07/x - Step 3: Cross multiply
21,026,558.83x = 31,539,628.04 × 6,649,629.07 - Step 4: Simplify right side
21,026,558.83x = 209,726,827,314,073 - Step 5: Solve for x
x = 209,726,827,314,073/21,026,558.83 - Step 6: Final answer
x = 9,974,377.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.