Finding the Fourth Proportional to 28,958,824.14, 39,965,952.60 and 16,566,457.02
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Solution
The fourth proportional to 28,958,824.14, 39,965,952.60 and 16,566,457.02 is: 22,863,298.34
Step by Step Solution
- Step 1: Write the proportion equation
28,958,824.14 : 39,965,952.60 = 16,566,457.02 : x - Step 2: Convert to fraction form
28,958,824.14/39,965,952.60 = 16,566,457.02/x - Step 3: Cross multiply
28,958,824.14x = 39,965,952.60 × 16,566,457.02 - Step 4: Simplify right side
28,958,824.14x = 662,094,236,011,257.25 - Step 5: Solve for x
x = 662,094,236,011,257.25/28,958,824.14 - Step 6: Final answer
x = 22,863,298.34
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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.