Finding the Fourth Proportional to 11,435,955.46, 15,781,618.62 and 6,279,317.02
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Solution
The fourth proportional to 11,435,955.46, 15,781,618.62 and 6,279,317.02 is: 8,665,457.53
Step by Step Solution
- Step 1: Write the proportion equation
11,435,955.46 : 15,781,618.62 = 6,279,317.02 : x - Step 2: Convert to fraction form
11,435,955.46/15,781,618.62 = 6,279,317.02/x - Step 3: Cross multiply
11,435,955.46x = 15,781,618.62 × 6,279,317.02 - Step 4: Simplify right side
11,435,955.46x = 99,097,786,403,714.91 - Step 5: Solve for x
x = 99,097,786,403,714.91/11,435,955.46 - Step 6: Final answer
x = 8,665,457.53
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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.