Finding the Fourth Proportional to 22,312,280.95, 33,318,170.17 and 18,221,716.79
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Solution
The fourth proportional to 22,312,280.95, 33,318,170.17 and 18,221,716.79 is: 27,209,869.86
Step by Step Solution
- Step 1: Write the proportion equation
22,312,280.95 : 33,318,170.17 = 18,221,716.79 : x - Step 2: Convert to fraction form
22,312,280.95/33,318,170.17 = 18,221,716.79/x - Step 3: Cross multiply
22,312,280.95x = 33,318,170.17 × 18,221,716.79 - Step 4: Simplify right side
22,312,280.95x = 607,114,260,798,766.12 - Step 5: Solve for x
x = 607,114,260,798,766.12/22,312,280.95 - Step 6: Final answer
x = 27,209,869.86
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1.5x scale
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.