Finding the Fourth Proportional to 22,312,290.76, 33,318,184.86 and 18,221,726.66
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Solution
The fourth proportional to 22,312,290.76, 33,318,184.86 and 18,221,726.66 is: 27,209,884.63
Step by Step Solution
- Step 1: Write the proportion equation
22,312,290.76 : 33,318,184.86 = 18,221,726.66 : x - Step 2: Convert to fraction form
22,312,290.76/33,318,184.86 = 18,221,726.66/x - Step 3: Cross multiply
22,312,290.76x = 33,318,184.86 × 18,221,726.66 - Step 4: Simplify right side
22,312,290.76x = 607,114,857,326,270.38 - Step 5: Solve for x
x = 607,114,857,326,270.38/22,312,290.76 - Step 6: Final answer
x = 27,209,884.63
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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.