Finding the Fourth Proportional to 31,471,552.06, 47,155,140.48 and 19,138,208
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Solution
The fourth proportional to 31,471,552.06, 47,155,140.48 and 19,138,208 is: 28,675,576.12
Step by Step Solution
- Step 1: Write the proportion equation
31,471,552.06 : 47,155,140.48 = 19,138,208 : x - Step 2: Convert to fraction form
31,471,552.06/47,155,140.48 = 19,138,208/x - Step 3: Cross multiply
31,471,552.06x = 47,155,140.48 × 19,138,208 - Step 4: Simplify right side
31,471,552.06x = 902,464,886,775,459.75 - Step 5: Solve for x
x = 902,464,886,775,459.75/31,471,552.06 - Step 6: Final answer
x = 28,675,576.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.