Finding the Fourth Proportional to 18,565,038.14, 27,847,518.92 and 10,474,340.98
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Solution
The fourth proportional to 18,565,038.14, 27,847,518.92 and 10,474,340.98 is: 15,711,489.87
Step by Step Solution
- Step 1: Write the proportion equation
18,565,038.14 : 27,847,518.92 = 10,474,340.98 : x - Step 2: Convert to fraction form
18,565,038.14/27,847,518.92 = 10,474,340.98/x - Step 3: Cross multiply
18,565,038.14x = 27,847,518.92 × 10,474,340.98 - Step 4: Simplify right side
18,565,038.14x = 291,684,408,615,081.38 - Step 5: Solve for x
x = 291,684,408,615,081.38/18,565,038.14 - Step 6: Final answer
x = 15,711,489.87
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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.