Finding the Fourth Proportional to 18,572,547.14, 25,630,114.98 and 10,423,785.14
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Solution
The fourth proportional to 18,572,547.14, 25,630,114.98 and 10,423,785.14 is: 14,384,823.45
Step by Step Solution
- Step 1: Write the proportion equation
18,572,547.14 : 25,630,114.98 = 10,423,785.14 : x - Step 2: Convert to fraction form
18,572,547.14/25,630,114.98 = 10,423,785.14/x - Step 3: Cross multiply
18,572,547.14x = 25,630,114.98 × 10,423,785.14 - Step 4: Simplify right side
18,572,547.14x = 267,162,811,665,015.41 - Step 5: Solve for x
x = 267,162,811,665,015.41/18,572,547.14 - Step 6: Final answer
x = 14,384,823.45
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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.