Finding the Fourth Proportional to 26,229,257.80, 39,343,886.70 and 16,663,319.80
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Solution
The fourth proportional to 26,229,257.80, 39,343,886.70 and 16,663,319.80 is: 24,994,979.70
Step by Step Solution
- Step 1: Write the proportion equation
26,229,257.80 : 39,343,886.70 = 16,663,319.80 : x - Step 2: Convert to fraction form
26,229,257.80/39,343,886.70 = 16,663,319.80/x - Step 3: Cross multiply
26,229,257.80x = 39,343,886.70 × 16,663,319.80 - Step 4: Simplify right side
26,229,257.80x = 655,599,766,257,066.75 - Step 5: Solve for x
x = 655,599,766,257,066.75/26,229,257.80 - Step 6: Final answer
x = 24,994,979.70
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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.