Finding the Fourth Proportional to 25,491,889.08, 35,178,363.99 and 13,889,547.90
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Solution
The fourth proportional to 25,491,889.08, 35,178,363.99 and 13,889,547.90 is: 19,167,334.76
Step by Step Solution
- Step 1: Write the proportion equation
25,491,889.08 : 35,178,363.99 = 13,889,547.90 : x - Step 2: Convert to fraction form
25,491,889.08/35,178,363.99 = 13,889,547.90/x - Step 3: Cross multiply
25,491,889.08x = 35,178,363.99 × 13,889,547.90 - Step 4: Simplify right side
25,491,889.08x = 488,611,571,682,740.19 - Step 5: Solve for x
x = 488,611,571,682,740.19/25,491,889.08 - Step 6: Final answer
x = 19,167,334.76
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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.