Finding the Fourth Proportional to 19,960,430.73, 29,927,773.23 and 7,831,120.02
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Solution
The fourth proportional to 19,960,430.73, 29,927,773.23 and 7,831,120.02 is: 11,741,629.59
Step by Step Solution
- Step 1: Write the proportion equation
19,960,430.73 : 29,927,773.23 = 7,831,120.02 : x - Step 2: Convert to fraction form
19,960,430.73/29,927,773.23 = 7,831,120.02/x - Step 3: Cross multiply
19,960,430.73x = 29,927,773.23 × 7,831,120.02 - Step 4: Simplify right side
19,960,430.73x = 234,367,984,095,473.06 - Step 5: Solve for x
x = 234,367,984,095,473.06/19,960,430.73 - Step 6: Final answer
x = 11,741,629.59
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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.