Finding the Fourth Proportional to 36,135,503.98, 49,867,130.73 and 19,615,660.90
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Solution
The fourth proportional to 36,135,503.98, 49,867,130.73 and 19,615,660.90 is: 27,069,685.45
Step by Step Solution
- Step 1: Write the proportion equation
36,135,503.98 : 49,867,130.73 = 19,615,660.90 : x - Step 2: Convert to fraction form
36,135,503.98/49,867,130.73 = 19,615,660.90/x - Step 3: Cross multiply
36,135,503.98x = 49,867,130.73 × 19,615,660.90 - Step 4: Simplify right side
36,135,503.98x = 978,176,726,455,649.38 - Step 5: Solve for x
x = 978,176,726,455,649.38/36,135,503.98 - Step 6: Final answer
x = 27,069,685.45
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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.