Finding the Fourth Proportional to 53,053,993.84, 79,580,983.98 and 14,715,507.76
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Solution
The fourth proportional to 53,053,993.84, 79,580,983.98 and 14,715,507.76 is: 22,073,259.76
Step by Step Solution
- Step 1: Write the proportion equation
53,053,993.84 : 79,580,983.98 = 14,715,507.76 : x - Step 2: Convert to fraction form
53,053,993.84/79,580,983.98 = 14,715,507.76/x - Step 3: Cross multiply
53,053,993.84x = 79,580,983.98 × 14,715,507.76 - Step 4: Simplify right side
53,053,993.84x = 1,171,074,587,306,125.75 - Step 5: Solve for x
x = 1,171,074,587,306,125.75/53,053,993.84 - Step 6: Final answer
x = 22,073,259.76
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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.