Finding the Fourth Proportional to 26,361,716.10, 39,471,209.82 and 18,653,678.34
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Solution
The fourth proportional to 26,361,716.10, 39,471,209.82 and 18,653,678.34 is: 27,930,019.76
Step by Step Solution
- Step 1: Write the proportion equation
26,361,716.10 : 39,471,209.82 = 18,653,678.34 : x - Step 2: Convert to fraction form
26,361,716.10/39,471,209.82 = 18,653,678.34/x - Step 3: Cross multiply
26,361,716.10x = 39,471,209.82 × 18,653,678.34 - Step 4: Simplify right side
26,361,716.10x = 736,283,251,672,929.25 - Step 5: Solve for x
x = 736,283,251,672,929.25/26,361,716.10 - Step 6: Final answer
x = 27,930,019.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.