Finding the Fourth Proportional to 31,907,727.96, 44,032,066.62 and 19,516,911.12
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Solution
The fourth proportional to 31,907,727.96, 44,032,066.62 and 19,516,911.12 is: 26,932,971.59
Step by Step Solution
- Step 1: Write the proportion equation
31,907,727.96 : 44,032,066.62 = 19,516,911.12 : x - Step 2: Convert to fraction form
31,907,727.96/44,032,066.62 = 19,516,911.12/x - Step 3: Cross multiply
31,907,727.96x = 44,032,066.62 × 19,516,911.12 - Step 4: Simplify right side
31,907,727.96x = 859,369,930,652,458.75 - Step 5: Solve for x
x = 859,369,930,652,458.75/31,907,727.96 - Step 6: Final answer
x = 26,932,971.59
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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.