Finding the Fourth Proportional to 19,817,422.74, 27,348,272.80 and 10,997,054.91
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Solution
The fourth proportional to 19,817,422.74, 27,348,272.80 and 10,997,054.91 is: 15,176,063.08
Step by Step Solution
- Step 1: Write the proportion equation
19,817,422.74 : 27,348,272.80 = 10,997,054.91 : x - Step 2: Convert to fraction form
19,817,422.74/27,348,272.80 = 10,997,054.91/x - Step 3: Cross multiply
19,817,422.74x = 27,348,272.80 × 10,997,054.91 - Step 4: Simplify right side
19,817,422.74x = 300,750,457,647,766.81 - Step 5: Solve for x
x = 300,750,457,647,766.81/19,817,422.74 - Step 6: Final answer
x = 15,176,063.08
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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.