Finding the Fourth Proportional to 19,817,433.76, 27,348,288.12 and 10,997,066.08
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Solution
The fourth proportional to 19,817,433.76, 27,348,288.12 and 10,997,066.08 is: 15,176,078.56
Step by Step Solution
- Step 1: Write the proportion equation
19,817,433.76 : 27,348,288.12 = 10,997,066.08 : x - Step 2: Convert to fraction form
19,817,433.76/27,348,288.12 = 10,997,066.08/x - Step 3: Cross multiply
19,817,433.76x = 27,348,288.12 × 10,997,066.08 - Step 4: Simplify right side
19,817,433.76x = 300,750,931,630,519 - Step 5: Solve for x
x = 300,750,931,630,519/19,817,433.76 - Step 6: Final answer
x = 15,176,078.56
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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.