Finding the Fourth Proportional to 15,712,431.08, 21,693,117.12 and 10,759,161.31
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Solution
The fourth proportional to 15,712,431.08, 21,693,117.12 and 10,759,161.31 is: 14,854,464.28
Step by Step Solution
- Step 1: Write the proportion equation
15,712,431.08 : 21,693,117.12 = 10,759,161.31 : x - Step 2: Convert to fraction form
15,712,431.08/21,693,117.12 = 10,759,161.31/x - Step 3: Cross multiply
15,712,431.08x = 21,693,117.12 × 10,759,161.31 - Step 4: Simplify right side
15,712,431.08x = 233,399,746,275,439.12 - Step 5: Solve for x
x = 233,399,746,275,439.12/15,712,431.08 - Step 6: Final answer
x = 14,854,464.28
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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.