Finding the Fourth Proportional to 27,209,317.76, 40,813,723.30 and 11,031,423.58
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Solution
The fourth proportional to 27,209,317.76, 40,813,723.30 and 11,031,423.58 is: 16,547,032.66
Step by Step Solution
- Step 1: Write the proportion equation
27,209,317.76 : 40,813,723.30 = 11,031,423.58 : x - Step 2: Convert to fraction form
27,209,317.76/40,813,723.30 = 11,031,423.58/x - Step 3: Cross multiply
27,209,317.76x = 40,813,723.30 × 11,031,423.58 - Step 4: Simplify right side
27,209,317.76x = 450,233,469,599,215.38 - Step 5: Solve for x
x = 450,233,469,599,215.38/27,209,317.76 - Step 6: Final answer
x = 16,547,032.66
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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.