Finding the Fourth Proportional to 52,488,081.80, 78,732,122.70 and 18,397,125.80
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Solution
The fourth proportional to 52,488,081.80, 78,732,122.70 and 18,397,125.80 is: 27,595,688.70
Step by Step Solution
- Step 1: Write the proportion equation
52,488,081.80 : 78,732,122.70 = 18,397,125.80 : x - Step 2: Convert to fraction form
52,488,081.80/78,732,122.70 = 18,397,125.80/x - Step 3: Cross multiply
52,488,081.80x = 78,732,122.70 × 18,397,125.80 - Step 4: Simplify right side
52,488,081.80x = 1,448,444,765,812,935.75 - Step 5: Solve for x
x = 1,448,444,765,812,935.75/52,488,081.80 - Step 6: Final answer
x = 27,595,688.70
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1.5x scale
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.