Finding the Fourth Proportional to 7,517,437.09, 10,372,269.47 and 4,577,219.71
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Solution
The fourth proportional to 7,517,437.09, 10,372,269.47 and 4,577,219.71 is: 6,315,471.04
Step by Step Solution
- Step 1: Write the proportion equation
7,517,437.09 : 10,372,269.47 = 4,577,219.71 : x - Step 2: Convert to fraction form
7,517,437.09/10,372,269.47 = 4,577,219.71/x - Step 3: Cross multiply
7,517,437.09x = 10,372,269.47 × 4,577,219.71 - Step 4: Simplify right side
7,517,437.09x = 47,476,156,206,698.48 - Step 5: Solve for x
x = 47,476,156,206,698.48/7,517,437.09 - Step 6: Final answer
x = 6,315,471.04
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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.