Finding the Fourth Proportional to 31,091,862.13, 46,643,770.93 and 11,921,123.95
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Solution
The fourth proportional to 31,091,862.13, 46,643,770.93 and 11,921,123.95 is: 17,883,977.88
Step by Step Solution
- Step 1: Write the proportion equation
31,091,862.13 : 46,643,770.93 = 11,921,123.95 : x - Step 2: Convert to fraction form
31,091,862.13/46,643,770.93 = 11,921,123.95/x - Step 3: Cross multiply
31,091,862.13x = 46,643,770.93 × 11,921,123.95 - Step 4: Simplify right side
31,091,862.13x = 556,046,174,692,331.06 - Step 5: Solve for x
x = 556,046,174,692,331.06/31,091,862.13 - Step 6: Final answer
x = 17,883,977.88
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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.