Finding the Fourth Proportional to 8,218,315.24, 11,341,609.28 and 4,547,172.08
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Solution
The fourth proportional to 8,218,315.24, 11,341,609.28 and 4,547,172.08 is: 6,275,282.41
Step by Step Solution
- Step 1: Write the proportion equation
8,218,315.24 : 11,341,609.28 = 4,547,172.08 : x - Step 2: Convert to fraction form
8,218,315.24/11,341,609.28 = 4,547,172.08/x - Step 3: Cross multiply
8,218,315.24x = 11,341,609.28 × 4,547,172.08 - Step 4: Simplify right side
8,218,315.24x = 51,572,249,060,284.90 - Step 5: Solve for x
x = 51,572,249,060,284.90/8,218,315.24 - Step 6: Final answer
x = 6,275,282.41
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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.