Finding the Fourth Proportional to 8,417,920.29, 11,615,863.12 and 6,213,955.65
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Solution
The fourth proportional to 8,417,920.29, 11,615,863.12 and 6,213,955.65 is: 8,574,618.88
Step by Step Solution
- Step 1: Write the proportion equation
8,417,920.29 : 11,615,863.12 = 6,213,955.65 : x - Step 2: Convert to fraction form
8,417,920.29/11,615,863.12 = 6,213,955.65/x - Step 3: Cross multiply
8,417,920.29x = 11,615,863.12 × 6,213,955.65 - Step 4: Simplify right side
8,417,920.29x = 72,180,458,264,150.62 - Step 5: Solve for x
x = 72,180,458,264,150.62/8,417,920.29 - Step 6: Final answer
x = 8,574,618.88
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1.5x scale
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.