Finding the Fourth Proportional to 9,771,468.90, 14,657,203.35 and 7,346,523.30
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Solution
The fourth proportional to 9,771,468.90, 14,657,203.35 and 7,346,523.30 is: 11,019,784.95
Step by Step Solution
- Step 1: Write the proportion equation
9,771,468.90 : 14,657,203.35 = 7,346,523.30 : x - Step 2: Convert to fraction form
9,771,468.90/14,657,203.35 = 7,346,523.30/x - Step 3: Cross multiply
9,771,468.90x = 14,657,203.35 × 7,346,523.30 - Step 4: Simplify right side
9,771,468.90x = 107,679,485,923,613.05 - Step 5: Solve for x
x = 107,679,485,923,613.05/9,771,468.90 - Step 6: Final answer
x = 11,019,784.95
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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.