Finding the Fourth Proportional to 22,312,288.76, 33,318,181.88 and 18,221,724.66
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Solution
The fourth proportional to 22,312,288.76, 33,318,181.88 and 18,221,724.66 is: 27,209,881.66
Step by Step Solution
- Step 1: Write the proportion equation
22,312,288.76 : 33,318,181.88 = 18,221,724.66 : x - Step 2: Convert to fraction form
22,312,288.76/33,318,181.88 = 18,221,724.66/x - Step 3: Cross multiply
22,312,288.76x = 33,318,181.88 × 18,221,724.66 - Step 4: Simplify right side
22,312,288.76x = 607,114,736,491,327.25 - Step 5: Solve for x
x = 607,114,736,491,327.25/22,312,288.76 - Step 6: Final answer
x = 27,209,881.66
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.