Finding the Fourth Proportional to 8,493,109.07, 11,721,646.35 and 5,009,433.12
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Solution
The fourth proportional to 8,493,109.07, 11,721,646.35 and 5,009,433.12 is: 6,913,699.45
Step by Step Solution
- Step 1: Write the proportion equation
8,493,109.07 : 11,721,646.35 = 5,009,433.12 : x - Step 2: Convert to fraction form
8,493,109.07/11,721,646.35 = 5,009,433.12/x - Step 3: Cross multiply
8,493,109.07x = 11,721,646.35 × 5,009,433.12 - Step 4: Simplify right side
8,493,109.07x = 58,718,803,446,617.11 - Step 5: Solve for x
x = 58,718,803,446,617.11/8,493,109.07 - Step 6: Final answer
x = 6,913,699.45
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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.