Finding the Fourth Proportional to 10,218,776.54, 15,310,813.39 and 6,166,749.71
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Solution
The fourth proportional to 10,218,776.54, 15,310,813.39 and 6,166,749.71 is: 9,239,653.47
Step by Step Solution
- Step 1: Write the proportion equation
10,218,776.54 : 15,310,813.39 = 6,166,749.71 : x - Step 2: Convert to fraction form
10,218,776.54/15,310,813.39 = 6,166,749.71/x - Step 3: Cross multiply
10,218,776.54x = 15,310,813.39 × 6,166,749.71 - Step 4: Simplify right side
10,218,776.54x = 94,417,954,055,506.78 - Step 5: Solve for x
x = 94,417,954,055,506.78/10,218,776.54 - Step 6: Final answer
x = 9,239,653.47
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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.