Finding the Fourth Proportional to 11,358,343.72, 15,674,395.50 and 6,201,689.32
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Solution
The fourth proportional to 11,358,343.72, 15,674,395.50 and 6,201,689.32 is: 8,558,266.38
Step by Step Solution
- Step 1: Write the proportion equation
11,358,343.72 : 15,674,395.50 = 6,201,689.32 : x - Step 2: Convert to fraction form
11,358,343.72/15,674,395.50 = 6,201,689.32/x - Step 3: Cross multiply
11,358,343.72x = 15,674,395.50 × 6,201,689.32 - Step 4: Simplify right side
11,358,343.72x = 97,207,731,169,806.06 - Step 5: Solve for x
x = 97,207,731,169,806.06/11,358,343.72 - Step 6: Final answer
x = 8,558,266.38
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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.