Finding the Fourth Proportional to 11,098,911.55, 15,316,492.53 and 6,515,232.92
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Solution
The fourth proportional to 11,098,911.55, 15,316,492.53 and 6,515,232.92 is: 8,991,018.26
Step by Step Solution
- Step 1: Write the proportion equation
11,098,911.55 : 15,316,492.53 = 6,515,232.92 : x - Step 2: Convert to fraction form
11,098,911.55/15,316,492.53 = 6,515,232.92/x - Step 3: Cross multiply
11,098,911.55x = 15,316,492.53 × 6,515,232.92 - Step 4: Simplify right side
11,098,911.55x = 99,790,516,386,862.84 - Step 5: Solve for x
x = 99,790,516,386,862.84/11,098,911.55 - Step 6: Final answer
x = 8,991,018.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.