Finding the Fourth Proportional to 31,776,159.21, 43,849,808.37 and 18,024,828.09
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Solution
The fourth proportional to 31,776,159.21, 43,849,808.37 and 18,024,828.09 is: 24,873,530.26
Step by Step Solution
- Step 1: Write the proportion equation
31,776,159.21 : 43,849,808.37 = 18,024,828.09 : x - Step 2: Convert to fraction form
31,776,159.21/43,849,808.37 = 18,024,828.09/x - Step 3: Cross multiply
31,776,159.21x = 43,849,808.37 × 18,024,828.09 - Step 4: Simplify right side
31,776,159.21x = 790,385,257,648,693 - Step 5: Solve for x
x = 790,385,257,648,693/31,776,159.21 - Step 6: Final answer
x = 24,873,530.26
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.