Finding the Fourth Proportional to 53,444,972.70, 73,754,919.63 and 28,998,686.70
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Solution
The fourth proportional to 53,444,972.70, 73,754,919.63 and 28,998,686.70 is: 40,018,652.81
Step by Step Solution
- Step 1: Write the proportion equation
53,444,972.70 : 73,754,919.63 = 28,998,686.70 : x - Step 2: Convert to fraction form
53,444,972.70/73,754,919.63 = 28,998,686.70/x - Step 3: Cross multiply
53,444,972.70x = 73,754,919.63 × 28,998,686.70 - Step 4: Simplify right side
53,444,972.70x = 2,138,795,806,934,049.75 - Step 5: Solve for x
x = 2,138,795,806,934,049.75/53,444,972.70 - Step 6: Final answer
x = 40,018,652.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.