Finding the Fourth Proportional to 27,202,319.30, 40,803,478.95 and 18,592,975.10
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Solution
The fourth proportional to 27,202,319.30, 40,803,478.95 and 18,592,975.10 is: 27,889,462.65
Step by Step Solution
- Step 1: Write the proportion equation
27,202,319.30 : 40,803,478.95 = 18,592,975.10 : x - Step 2: Convert to fraction form
27,202,319.30/40,803,478.95 = 18,592,975.10/x - Step 3: Cross multiply
27,202,319.30x = 40,803,478.95 × 18,592,975.10 - Step 4: Simplify right side
27,202,319.30x = 758,658,068,110,724.25 - Step 5: Solve for x
x = 758,658,068,110,724.25/27,202,319.30 - Step 6: Final answer
x = 27,889,462.65
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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.