Finding the Fourth Proportional to 22,480,713.68, 31,024,140.35 and 13,777,208.19
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Solution
The fourth proportional to 22,480,713.68, 31,024,140.35 and 13,777,208.19 is: 19,013,010.29
Step by Step Solution
- Step 1: Write the proportion equation
22,480,713.68 : 31,024,140.35 = 13,777,208.19 : x - Step 2: Convert to fraction form
22,480,713.68/31,024,140.35 = 13,777,208.19/x - Step 3: Cross multiply
22,480,713.68x = 31,024,140.35 × 13,777,208.19 - Step 4: Simplify right side
22,480,713.68x = 427,426,040,448,843.38 - Step 5: Solve for x
x = 427,426,040,448,843.38/22,480,713.68 - Step 6: Final answer
x = 19,013,010.29
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Double scale
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1.5x scale
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.