Finding the Fourth Proportional to 10,596,225.40, 15,894,649.74 and 2,919,986.62
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Solution
The fourth proportional to 10,596,225.40, 15,894,649.74 and 2,919,986.62 is: 4,380,065.81
Step by Step Solution
- Step 1: Write the proportion equation
10,596,225.40 : 15,894,649.74 = 2,919,986.62 : x - Step 2: Convert to fraction form
10,596,225.40/15,894,649.74 = 2,919,986.62/x - Step 3: Cross multiply
10,596,225.40x = 15,894,649.74 × 2,919,986.62 - Step 4: Simplify right side
10,596,225.40x = 46,412,164,541,599.80 - Step 5: Solve for x
x = 46,412,164,541,599.80/10,596,225.40 - Step 6: Final answer
x = 4,380,065.81
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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.