Finding the Fourth Proportional to 23,877,789.12, 32,950,387.68 and 13,012,539.84
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Solution
The fourth proportional to 23,877,789.12, 32,950,387.68 and 13,012,539.84 is: 17,956,781.10
Step by Step Solution
- Step 1: Write the proportion equation
23,877,789.12 : 32,950,387.68 = 13,012,539.84 : x - Step 2: Convert to fraction form
23,877,789.12/32,950,387.68 = 13,012,539.84/x - Step 3: Cross multiply
23,877,789.12x = 32,950,387.68 × 13,012,539.84 - Step 4: Simplify right side
23,877,789.12x = 428,768,232,429,445.19 - Step 5: Solve for x
x = 428,768,232,429,445.19/23,877,789.12 - Step 6: Final answer
x = 17,956,781.10
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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.