Finding the Fourth Proportional to 47,949,924.81, 71,913,891.57 and 13,408,753.97
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Solution
The fourth proportional to 47,949,924.81, 71,913,891.57 and 13,408,753.97 is: 20,110,056.13
Step by Step Solution
- Step 1: Write the proportion equation
47,949,924.81 : 71,913,891.57 = 13,408,753.97 : x - Step 2: Convert to fraction form
47,949,924.81/71,913,891.57 = 13,408,753.97/x - Step 3: Cross multiply
47,949,924.81x = 71,913,891.57 × 13,408,753.97 - Step 4: Simplify right side
47,949,924.81x = 964,275,679,292,313.25 - Step 5: Solve for x
x = 964,275,679,292,313.25/47,949,924.81 - Step 6: Final answer
x = 20,110,056.13
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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.