Finding the Fourth Proportional to 26,864,867.96, 40,297,277.32 and 8,420,945.62
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Solution
The fourth proportional to 26,864,867.96, 40,297,277.32 and 8,420,945.62 is: 12,631,410.71
Step by Step Solution
- Step 1: Write the proportion equation
26,864,867.96 : 40,297,277.32 = 8,420,945.62 : x - Step 2: Convert to fraction form
26,864,867.96/40,297,277.32 = 8,420,945.62/x - Step 3: Cross multiply
26,864,867.96x = 40,297,277.32 × 8,420,945.62 - Step 4: Simplify right side
26,864,867.96x = 339,341,180,945,779.31 - Step 5: Solve for x
x = 339,341,180,945,779.31/26,864,867.96 - Step 6: Final answer
x = 12,631,410.71
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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.