Finding the Fourth Proportional to 8,674,132.79, 11,970,373.58 and 4,806,718.53
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Solution
The fourth proportional to 8,674,132.79, 11,970,373.58 and 4,806,718.53 is: 6,633,310.55
Step by Step Solution
- Step 1: Write the proportion equation
8,674,132.79 : 11,970,373.58 = 4,806,718.53 : x - Step 2: Convert to fraction form
8,674,132.79/11,970,373.58 = 4,806,718.53/x - Step 3: Cross multiply
8,674,132.79x = 11,970,373.58 × 4,806,718.53 - Step 4: Simplify right side
8,674,132.79x = 57,538,216,473,974.84 - Step 5: Solve for x
x = 57,538,216,473,974.84/8,674,132.79 - Step 6: Final answer
x = 6,633,310.55
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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.