Finding the Fourth Proportional to 8,585,271.84, 12,868,315.68 and 3,721,964.16
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Solution
The fourth proportional to 8,585,271.84, 12,868,315.68 and 3,721,964.16 is: 5,578,787.80
Step by Step Solution
- Step 1: Write the proportion equation
8,585,271.84 : 12,868,315.68 = 3,721,964.16 : x - Step 2: Convert to fraction form
8,585,271.84/12,868,315.68 = 3,721,964.16/x - Step 3: Cross multiply
8,585,271.84x = 12,868,315.68 × 3,721,964.16 - Step 4: Simplify right side
8,585,271.84x = 47,895,409,760,526.03 - Step 5: Solve for x
x = 47,895,409,760,526.03/8,585,271.84 - Step 6: Final answer
x = 5,578,787.80
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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.