Finding the Fourth Proportional to 19,797,833.40, 27,324,841.68 and 12,910,358.04
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Solution
The fourth proportional to 19,797,833.40, 27,324,841.68 and 12,910,358.04 is: 17,818,792.71
Step by Step Solution
- Step 1: Write the proportion equation
19,797,833.40 : 27,324,841.68 = 12,910,358.04 : x - Step 2: Convert to fraction form
19,797,833.40/27,324,841.68 = 12,910,358.04/x - Step 3: Cross multiply
19,797,833.40x = 27,324,841.68 × 12,910,358.04 - Step 4: Simplify right side
19,797,833.40x = 352,773,489,475,115.06 - Step 5: Solve for x
x = 352,773,489,475,115.06/19,797,833.40 - Step 6: Final answer
x = 17,818,792.71
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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.