Finding the Fourth Proportional to 17,505,878.40, 24,157,126.80 and 9,771,417.36
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Solution
The fourth proportional to 17,505,878.40, 24,157,126.80 and 9,771,417.36 is: 13,484,005.93
Step by Step Solution
- Step 1: Write the proportion equation
17,505,878.40 : 24,157,126.80 = 9,771,417.36 : x - Step 2: Convert to fraction form
17,505,878.40/24,157,126.80 = 9,771,417.36/x - Step 3: Cross multiply
17,505,878.40x = 24,157,126.80 × 9,771,417.36 - Step 4: Simplify right side
17,505,878.40x = 236,049,368,181,241.25 - Step 5: Solve for x
x = 236,049,368,181,241.25/17,505,878.40 - Step 6: Final answer
x = 13,484,005.93
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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.