Finding the Fourth Proportional to 18,490,374.98, 25,516,804.96 and 10,341,612.98
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Solution
The fourth proportional to 18,490,374.98, 25,516,804.96 and 10,341,612.98 is: 14,271,474.85
Step by Step Solution
- Step 1: Write the proportion equation
18,490,374.98 : 25,516,804.96 = 10,341,612.98 : x - Step 2: Convert to fraction form
18,490,374.98/25,516,804.96 = 10,341,612.98/x - Step 3: Cross multiply
18,490,374.98x = 25,516,804.96 × 10,341,612.98 - Step 4: Simplify right side
18,490,374.98x = 263,884,921,477,936.47 - Step 5: Solve for x
x = 263,884,921,477,936.47/18,490,374.98 - Step 6: Final answer
x = 14,271,474.85
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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.