Finding the Fourth Proportional to 15,945,753.12, 22,004,832.36 and 8,702,460.96
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Solution
The fourth proportional to 15,945,753.12, 22,004,832.36 and 8,702,460.96 is: 12,009,228.61
Step by Step Solution
- Step 1: Write the proportion equation
15,945,753.12 : 22,004,832.36 = 8,702,460.96 : x - Step 2: Convert to fraction form
15,945,753.12/22,004,832.36 = 8,702,460.96/x - Step 3: Cross multiply
15,945,753.12x = 22,004,832.36 × 8,702,460.96 - Step 4: Simplify right side
15,945,753.12x = 191,496,194,544,244.69 - Step 5: Solve for x
x = 191,496,194,544,244.69/15,945,753.12 - Step 6: Final answer
x = 12,009,228.61
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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.