Finding the Fourth Proportional to 7,009,612.18, 9,673,750.65 and 3,912,738.10
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Solution
The fourth proportional to 7,009,612.18, 9,673,750.65 and 3,912,738.10 is: 5,399,849.77
Step by Step Solution
- Step 1: Write the proportion equation
7,009,612.18 : 9,673,750.65 = 3,912,738.10 : x - Step 2: Convert to fraction form
7,009,612.18/9,673,750.65 = 3,912,738.10/x - Step 3: Cross multiply
7,009,612.18x = 9,673,750.65 × 3,912,738.10 - Step 4: Simplify right side
7,009,612.18x = 37,850,852,738,154.77 - Step 5: Solve for x
x = 37,850,852,738,154.77/7,009,612.18 - Step 6: Final answer
x = 5,399,849.77
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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.