Finding the Fourth Proportional to 11,889,750.52, 16,407,952.14 and 6,457,281.40
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Solution
The fourth proportional to 11,889,750.52, 16,407,952.14 and 6,457,281.40 is: 8,911,100.70
Step by Step Solution
- Step 1: Write the proportion equation
11,889,750.52 : 16,407,952.14 = 6,457,281.40 : x - Step 2: Convert to fraction form
11,889,750.52/16,407,952.14 = 6,457,281.40/x - Step 3: Cross multiply
11,889,750.52x = 16,407,952.14 × 6,457,281.40 - Step 4: Simplify right side
11,889,750.52x = 105,950,764,165,712.20 - Step 5: Solve for x
x = 105,950,764,165,712.20/11,889,750.52 - Step 6: Final answer
x = 8,911,100.70
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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.