Finding the Fourth Proportional to 8,334,784.98, 12,486,000.68 and 6,142,372.92
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Solution
The fourth proportional to 8,334,784.98, 12,486,000.68 and 6,142,372.92 is: 9,201,637.79
Step by Step Solution
- Step 1: Write the proportion equation
8,334,784.98 : 12,486,000.68 = 6,142,372.92 : x - Step 2: Convert to fraction form
8,334,784.98/12,486,000.68 = 6,142,372.92/x - Step 3: Cross multiply
8,334,784.98x = 12,486,000.68 × 6,142,372.92 - Step 4: Simplify right side
8,334,784.98x = 76,693,672,455,933.58 - Step 5: Solve for x
x = 76,693,672,455,933.58/8,334,784.98 - Step 6: Final answer
x = 9,201,637.79
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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.