Finding the Fourth Proportional to 11,485,954.95, 15,850,724.12 and 6,329,501.02
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Solution
The fourth proportional to 11,485,954.95, 15,850,724.12 and 6,329,501.02 is: 8,734,769.98
Step by Step Solution
- Step 1: Write the proportion equation
11,485,954.95 : 15,850,724.12 = 6,329,501.02 : x - Step 2: Convert to fraction form
11,485,954.95/15,850,724.12 = 6,329,501.02/x - Step 3: Cross multiply
11,485,954.95x = 15,850,724.12 × 6,329,501.02 - Step 4: Simplify right side
11,485,954.95x = 100,327,174,485,278.59 - Step 5: Solve for x
x = 100,327,174,485,278.59/11,485,954.95 - Step 6: Final answer
x = 8,734,769.98
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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.