Finding the Fourth Proportional to 19,571,293.12, 29,354,656.56 and 5,195,477.92
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Solution
The fourth proportional to 19,571,293.12, 29,354,656.56 and 5,195,477.92 is: 7,792,610.79
Step by Step Solution
- Step 1: Write the proportion equation
19,571,293.12 : 29,354,656.56 = 5,195,477.92 : x - Step 2: Convert to fraction form
19,571,293.12/29,354,656.56 = 5,195,477.92/x - Step 3: Cross multiply
19,571,293.12x = 29,354,656.56 × 5,195,477.92 - Step 4: Simplify right side
19,571,293.12x = 152,511,470,006,663.16 - Step 5: Solve for x
x = 152,511,470,006,663.16/19,571,293.12 - Step 6: Final answer
x = 7,792,610.79
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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.