Finding the Fourth Proportional to 14,484,370.25, 19,988,454.61 and 7,868,984.63
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Solution
The fourth proportional to 14,484,370.25, 19,988,454.61 and 7,868,984.63 is: 10,859,211.64
Step by Step Solution
- Step 1: Write the proportion equation
14,484,370.25 : 19,988,454.61 = 7,868,984.63 : x - Step 2: Convert to fraction form
14,484,370.25/19,988,454.61 = 7,868,984.63/x - Step 3: Cross multiply
14,484,370.25x = 19,988,454.61 × 7,868,984.63 - Step 4: Simplify right side
14,484,370.25x = 157,288,842,013,436.59 - Step 5: Solve for x
x = 157,288,842,013,436.59/14,484,370.25 - Step 6: Final answer
x = 10,859,211.64
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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.