Finding the Fourth Proportional to 7,842,949.88, 10,823,036.44 and 4,358,277.92
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Solution
The fourth proportional to 7,842,949.88, 10,823,036.44 and 4,358,277.92 is: 6,014,293.28
Step by Step Solution
- Step 1: Write the proportion equation
7,842,949.88 : 10,823,036.44 = 4,358,277.92 : x - Step 2: Convert to fraction form
7,842,949.88/10,823,036.44 = 4,358,277.92/x - Step 3: Cross multiply
7,842,949.88x = 10,823,036.44 × 4,358,277.92 - Step 4: Simplify right side
7,842,949.88x = 47,169,800,743,807.40 - Step 5: Solve for x
x = 47,169,800,743,807.40/7,842,949.88 - Step 6: Final answer
x = 6,014,293.28
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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.