Finding the Fourth Proportional to 19,803,468.35, 29,699,439.77 and 7,670,225.63
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Solution
The fourth proportional to 19,803,468.35, 29,699,439.77 and 7,670,225.63 is: 11,503,106.43
Step by Step Solution
- Step 1: Write the proportion equation
19,803,468.35 : 29,699,439.77 = 7,670,225.63 : x - Step 2: Convert to fraction form
19,803,468.35/29,699,439.77 = 7,670,225.63/x - Step 3: Cross multiply
19,803,468.35x = 29,699,439.77 × 7,670,225.63 - Step 4: Simplify right side
19,803,468.35x = 227,801,404,213,919.47 - Step 5: Solve for x
x = 227,801,404,213,919.47/19,803,468.35 - Step 6: Final answer
x = 11,503,106.43
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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.