Finding the Fourth Proportional to 15,266,439.90, 22,866,775.20 and 7,167,279.06
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Solution
The fourth proportional to 15,266,439.90, 22,866,775.20 and 7,167,279.06 is: 10,735,479.92
Step by Step Solution
- Step 1: Write the proportion equation
15,266,439.90 : 22,866,775.20 = 7,167,279.06 : x - Step 2: Convert to fraction form
15,266,439.90/22,866,775.20 = 7,167,279.06/x - Step 3: Cross multiply
15,266,439.90x = 22,866,775.20 × 7,167,279.06 - Step 4: Simplify right side
15,266,439.90x = 163,892,559,060,687.31 - Step 5: Solve for x
x = 163,892,559,060,687.31/15,266,439.90 - Step 6: Final answer
x = 10,735,479.92
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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.