Finding the Fourth Proportional to 17,771,961.38, 24,525,340.07 and 9,931,473.68
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Solution
The fourth proportional to 17,771,961.38, 24,525,340.07 and 9,931,473.68 is: 13,705,452.32
Step by Step Solution
- Step 1: Write the proportion equation
17,771,961.38 : 24,525,340.07 = 9,931,473.68 : x - Step 2: Convert to fraction form
17,771,961.38/24,525,340.07 = 9,931,473.68/x - Step 3: Cross multiply
17,771,961.38x = 24,525,340.07 × 9,931,473.68 - Step 4: Simplify right side
17,771,961.38x = 243,572,769,225,970.31 - Step 5: Solve for x
x = 243,572,769,225,970.31/17,771,961.38 - Step 6: Final answer
x = 13,705,452.32
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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.