Finding the Fourth Proportional to 28,700,158.68, 39,596,283 and 18,392,565.24
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Solution
The fourth proportional to 28,700,158.68, 39,596,283 and 18,392,565.24 is: 25,375,372.54
Step by Step Solution
- Step 1: Write the proportion equation
28,700,158.68 : 39,596,283 = 18,392,565.24 : x - Step 2: Convert to fraction form
28,700,158.68/39,596,283 = 18,392,565.24/x - Step 3: Cross multiply
28,700,158.68x = 39,596,283 × 18,392,565.24 - Step 4: Simplify right side
28,700,158.68x = 728,277,218,339,002.88 - Step 5: Solve for x
x = 728,277,218,339,002.88/28,700,158.68 - Step 6: Final answer
x = 25,375,372.54
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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.