Finding the Fourth Proportional to 35,480,681.12, 48,963,247.97 and 19,799,540.97
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Solution
The fourth proportional to 35,480,681.12, 48,963,247.97 and 19,799,540.97 is: 27,323,315.21
Step by Step Solution
- Step 1: Write the proportion equation
35,480,681.12 : 48,963,247.97 = 19,799,540.97 : x - Step 2: Convert to fraction form
35,480,681.12/48,963,247.97 = 19,799,540.97/x - Step 3: Cross multiply
35,480,681.12x = 48,963,247.97 × 19,799,540.97 - Step 4: Simplify right side
35,480,681.12x = 969,449,834,107,286.62 - Step 5: Solve for x
x = 969,449,834,107,286.62/35,480,681.12 - Step 6: Final answer
x = 27,323,315.21
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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.