Finding the Fourth Proportional to 7,831,511.99, 11,747,585.70 and 3,730,724.18
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Solution
The fourth proportional to 7,831,511.99, 11,747,585.70 and 3,730,724.18 is: 5,596,237.62
Step by Step Solution
- Step 1: Write the proportion equation
7,831,511.99 : 11,747,585.70 = 3,730,724.18 : x - Step 2: Convert to fraction form
7,831,511.99/11,747,585.70 = 3,730,724.18/x - Step 3: Cross multiply
7,831,511.99x = 11,747,585.70 × 3,730,724.18 - Step 4: Simplify right side
7,831,511.99x = 43,827,001,968,874.29 - Step 5: Solve for x
x = 43,827,001,968,874.29/7,831,511.99 - Step 6: Final answer
x = 5,596,237.62
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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.