Finding the Fourth Proportional to 11,831,281.12, 16,327,167.84 and 6,398,773.12
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Solution
The fourth proportional to 11,831,281.12, 16,327,167.84 and 6,398,773.12 is: 8,830,306.85
Step by Step Solution
- Step 1: Write the proportion equation
11,831,281.12 : 16,327,167.84 = 6,398,773.12 : x - Step 2: Convert to fraction form
11,831,281.12/16,327,167.84 = 6,398,773.12/x - Step 3: Cross multiply
11,831,281.12x = 16,327,167.84 × 6,398,773.12 - Step 4: Simplify right side
11,831,281.12x = 104,473,842,700,320.47 - Step 5: Solve for x
x = 104,473,842,700,320.47/11,831,281.12 - Step 6: Final answer
x = 8,830,306.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.