Finding the Fourth Proportional to 14,486,854.93, 19,992,971.76 and 8,293,844.08
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Solution
The fourth proportional to 14,486,854.93, 19,992,971.76 and 8,293,844.08 is: 11,446,141.43
Step by Step Solution
- Step 1: Write the proportion equation
14,486,854.93 : 19,992,971.76 = 8,293,844.08 : x - Step 2: Convert to fraction form
14,486,854.93/19,992,971.76 = 8,293,844.08/x - Step 3: Cross multiply
14,486,854.93x = 19,992,971.76 × 8,293,844.08 - Step 4: Simplify right side
14,486,854.93x = 165,818,590,473,283.19 - Step 5: Solve for x
x = 165,818,590,473,283.19/14,486,854.93 - Step 6: Final answer
x = 11,446,141.43
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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.