Finding the Fourth Proportional to 12,127,023.40, 18,190,826.70 and 3,607,637.80
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Solution
The fourth proportional to 12,127,023.40, 18,190,826.70 and 3,607,637.80 is: 5,411,543.45
Step by Step Solution
- Step 1: Write the proportion equation
12,127,023.40 : 18,190,826.70 = 3,607,637.80 : x - Step 2: Convert to fraction form
12,127,023.40/18,190,826.70 = 3,607,637.80/x - Step 3: Cross multiply
12,127,023.40x = 18,190,826.70 × 3,607,637.80 - Step 4: Simplify right side
12,127,023.40x = 65,625,914,016,169.26 - Step 5: Solve for x
x = 65,625,914,016,169.26/12,127,023.40 - Step 6: Final answer
x = 5,411,543.45
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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.