Finding the Fourth Proportional to 8,547,875.10, 12,821,812.65 and 2,564,243.10
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Solution
The fourth proportional to 8,547,875.10, 12,821,812.65 and 2,564,243.10 is: 3,846,364.65
Step by Step Solution
- Step 1: Write the proportion equation
8,547,875.10 : 12,821,812.65 = 2,564,243.10 : x - Step 2: Convert to fraction form
8,547,875.10/12,821,812.65 = 2,564,243.10/x - Step 3: Cross multiply
8,547,875.10x = 12,821,812.65 × 2,564,243.10 - Step 4: Simplify right side
8,547,875.10x = 32,878,244,617,255.22 - Step 5: Solve for x
x = 32,878,244,617,255.22/8,547,875.10 - Step 6: Final answer
x = 3,846,364.65
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Double scale
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Similar ratio
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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.