Finding the Fourth Proportional to 38,835,958.20, 58,291,262.10 and 19,688,335.80
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Solution
The fourth proportional to 38,835,958.20, 58,291,262.10 and 19,688,335.80 is: 29,551,425.94
Step by Step Solution
- Step 1: Write the proportion equation
38,835,958.20 : 58,291,262.10 = 19,688,335.80 : x - Step 2: Convert to fraction form
38,835,958.20/58,291,262.10 = 19,688,335.80/x - Step 3: Cross multiply
38,835,958.20x = 58,291,262.10 × 19,688,335.80 - Step 4: Simplify right side
38,835,958.20x = 1,147,657,942,430,613.25 - Step 5: Solve for x
x = 1,147,657,942,430,613.25/38,835,958.20 - Step 6: Final answer
x = 29,551,425.94
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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.