Finding the Fourth Proportional to 18,497,386.60, 27,745,558.30 and 5,034,331.24
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Solution
The fourth proportional to 18,497,386.60, 27,745,558.30 and 5,034,331.24 is: 7,551,354.90
Step by Step Solution
- Step 1: Write the proportion equation
18,497,386.60 : 27,745,558.30 = 5,034,331.24 : x - Step 2: Convert to fraction form
18,497,386.60/27,745,558.30 = 5,034,331.24/x - Step 3: Cross multiply
18,497,386.60x = 27,745,558.30 × 5,034,331.24 - Step 4: Simplify right side
18,497,386.60x = 139,680,330,920,931.30 - Step 5: Solve for x
x = 139,680,330,920,931.30/18,497,386.60 - Step 6: Final answer
x = 7,551,354.90
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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.