Finding the Fourth Proportional to 14,370,179.05, 19,827,886.81 and 8,257,426.57
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Solution
The fourth proportional to 14,370,179.05, 19,827,886.81 and 8,257,426.57 is: 11,393,547.62
Step by Step Solution
- Step 1: Write the proportion equation
14,370,179.05 : 19,827,886.81 = 8,257,426.57 : x - Step 2: Convert to fraction form
14,370,179.05/19,827,886.81 = 8,257,426.57/x - Step 3: Cross multiply
14,370,179.05x = 19,827,886.81 × 8,257,426.57 - Step 4: Simplify right side
14,370,179.05x = 163,727,319,231,419.97 - Step 5: Solve for x
x = 163,727,319,231,419.97/14,370,179.05 - Step 6: Final answer
x = 11,393,547.62
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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.