Finding the Fourth Proportional to 8,614,319.12, 11,888,335.68 and 4,746,839.68
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Solution
The fourth proportional to 8,614,319.12, 11,888,335.68 and 4,746,839.68 is: 6,550,955.77
Step by Step Solution
- Step 1: Write the proportion equation
8,614,319.12 : 11,888,335.68 = 4,746,839.68 : x - Step 2: Convert to fraction form
8,614,319.12/11,888,335.68 = 4,746,839.68/x - Step 3: Cross multiply
8,614,319.12x = 11,888,335.68 × 4,746,839.68 - Step 4: Simplify right side
8,614,319.12x = 56,432,023,534,983.78 - Step 5: Solve for x
x = 56,432,023,534,983.78/8,614,319.12 - Step 6: Final answer
x = 6,550,955.77
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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.