Finding the Fourth Proportional to 10,842,854.08, 14,962,029.60 and 6,491,827.30
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Solution
The fourth proportional to 10,842,854.08, 14,962,029.60 and 6,491,827.30 is: 8,958,057.68
Step by Step Solution
- Step 1: Write the proportion equation
10,842,854.08 : 14,962,029.60 = 6,491,827.30 : x - Step 2: Convert to fraction form
10,842,854.08/14,962,029.60 = 6,491,827.30/x - Step 3: Cross multiply
10,842,854.08x = 14,962,029.60 × 6,491,827.30 - Step 4: Simplify right side
10,842,854.08x = 97,130,912,220,688.08 - Step 5: Solve for x
x = 97,130,912,220,688.08/10,842,854.08 - Step 6: Final answer
x = 8,958,057.68
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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.