Finding the Fourth Proportional to 22,788,516.08, 34,182,774.12 and 7,642,403.84
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Solution
The fourth proportional to 22,788,516.08, 34,182,774.12 and 7,642,403.84 is: 11,463,605.76
Step by Step Solution
- Step 1: Write the proportion equation
22,788,516.08 : 34,182,774.12 = 7,642,403.84 : x - Step 2: Convert to fraction form
22,788,516.08/34,182,774.12 = 7,642,403.84/x - Step 3: Cross multiply
22,788,516.08x = 34,182,774.12 × 7,642,403.84 - Step 4: Simplify right side
22,788,516.08x = 261,238,564,196,540.59 - Step 5: Solve for x
x = 261,238,564,196,540.59/22,788,516.08 - Step 6: Final answer
x = 11,463,605.76
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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.