Finding the Fourth Proportional to 19,555,528.23, 26,986,102.44 and 10,734,985.44
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Solution
The fourth proportional to 19,555,528.23, 26,986,102.44 and 10,734,985.44 is: 14,813,990.88
Step by Step Solution
- Step 1: Write the proportion equation
19,555,528.23 : 26,986,102.44 = 10,734,985.44 : x - Step 2: Convert to fraction form
19,555,528.23/26,986,102.44 = 10,734,985.44/x - Step 3: Cross multiply
19,555,528.23x = 26,986,102.44 × 10,734,985.44 - Step 4: Simplify right side
19,555,528.23x = 289,695,416,775,748.50 - Step 5: Solve for x
x = 289,695,416,775,748.50/19,555,528.23 - Step 6: Final answer
x = 14,813,990.88
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1.5x scale
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.