Finding the Fourth Proportional to 19,430,110.40, 29,121,837.60 and 8,064,708.80
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Solution
The fourth proportional to 19,430,110.40, 29,121,837.60 and 8,064,708.80 is: 12,087,380.62
Step by Step Solution
- Step 1: Write the proportion equation
19,430,110.40 : 29,121,837.60 = 8,064,708.80 : x - Step 2: Convert to fraction form
19,430,110.40/29,121,837.60 = 8,064,708.80/x - Step 3: Cross multiply
19,430,110.40x = 29,121,837.60 × 8,064,708.80 - Step 4: Simplify right side
19,430,110.40x = 234,859,139,964,890.88 - Step 5: Solve for x
x = 234,859,139,964,890.88/19,430,110.40 - Step 6: Final answer
x = 12,087,380.62
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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.