Finding the Fourth Proportional to 31,428,603.18, 43,371,027.99 and 17,677,534.50
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Solution
The fourth proportional to 31,428,603.18, 43,371,027.99 and 17,677,534.50 is: 24,394,747.65
Step by Step Solution
- Step 1: Write the proportion equation
31,428,603.18 : 43,371,027.99 = 17,677,534.50 : x - Step 2: Convert to fraction form
31,428,603.18/43,371,027.99 = 17,677,534.50/x - Step 3: Cross multiply
31,428,603.18x = 43,371,027.99 × 17,677,534.50 - Step 4: Simplify right side
31,428,603.18x = 766,692,843,593,690.75 - Step 5: Solve for x
x = 766,692,843,593,690.75/31,428,603.18 - Step 6: Final answer
x = 24,394,747.65
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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.