Finding the Fourth Proportional to 38,484,442.36, 57,719,446.44 and 19,310,051.08
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Solution
The fourth proportional to 38,484,442.36, 57,719,446.44 and 19,310,051.08 is: 28,961,455.35
Step by Step Solution
- Step 1: Write the proportion equation
38,484,442.36 : 57,719,446.44 = 19,310,051.08 : x - Step 2: Convert to fraction form
38,484,442.36/57,719,446.44 = 19,310,051.08/x - Step 3: Cross multiply
38,484,442.36x = 57,719,446.44 × 19,310,051.08 - Step 4: Simplify right side
38,484,442.36x = 1,114,565,459,065,724 - Step 5: Solve for x
x = 1,114,565,459,065,724/38,484,442.36 - Step 6: Final answer
x = 28,961,455.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.