Finding the Fourth Proportional to 14,298,129.09, 19,731,441.98 and 7,771,742.01
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Solution
The fourth proportional to 14,298,129.09, 19,731,441.98 and 7,771,742.01 is: 10,725,016.93
Step by Step Solution
- Step 1: Write the proportion equation
14,298,129.09 : 19,731,441.98 = 7,771,742.01 : x - Step 2: Convert to fraction form
14,298,129.09/19,731,441.98 = 7,771,742.01/x - Step 3: Cross multiply
14,298,129.09x = 19,731,441.98 × 7,771,742.01 - Step 4: Simplify right side
14,298,129.09x = 153,347,676,573,272.94 - Step 5: Solve for x
x = 153,347,676,573,272.94/14,298,129.09 - Step 6: Final answer
x = 10,725,016.93
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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.