Finding the Fourth Proportional to 21,574,282.96, 29,772,509.34 and 11,651,164.81
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Solution
The fourth proportional to 21,574,282.96, 29,772,509.34 and 11,651,164.81 is: 16,078,606.82
Step by Step Solution
- Step 1: Write the proportion equation
21,574,282.96 : 29,772,509.34 = 11,651,164.81 : x - Step 2: Convert to fraction form
21,574,282.96/29,772,509.34 = 11,651,164.81/x - Step 3: Cross multiply
21,574,282.96x = 29,772,509.34 × 11,651,164.81 - Step 4: Simplify right side
21,574,282.96x = 346,884,413,127,604.31 - Step 5: Solve for x
x = 346,884,413,127,604.31/21,574,282.96 - Step 6: Final answer
x = 16,078,606.82
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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.