Finding the Fourth Proportional to 15,552,234.80, 23,328,352.20 and 13,704,657.20
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Solution
The fourth proportional to 15,552,234.80, 23,328,352.20 and 13,704,657.20 is: 20,556,985.80
Step by Step Solution
- Step 1: Write the proportion equation
15,552,234.80 : 23,328,352.20 = 13,704,657.20 : x - Step 2: Convert to fraction form
15,552,234.80/23,328,352.20 = 13,704,657.20/x - Step 3: Cross multiply
15,552,234.80x = 23,328,352.20 × 13,704,657.20 - Step 4: Simplify right side
15,552,234.80x = 319,707,069,941,865.81 - Step 5: Solve for x
x = 319,707,069,941,865.81/15,552,234.80 - Step 6: Final answer
x = 20,556,985.80
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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.