Finding the Fourth Proportional to 19,149,414.53, 26,426,154.62 and 10,447,593.03
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Solution
The fourth proportional to 19,149,414.53, 26,426,154.62 and 10,447,593.03 is: 14,417,657.96
Step by Step Solution
- Step 1: Write the proportion equation
19,149,414.53 : 26,426,154.62 = 10,447,593.03 : x - Step 2: Convert to fraction form
19,149,414.53/26,426,154.62 = 10,447,593.03/x - Step 3: Cross multiply
19,149,414.53x = 26,426,154.62 × 10,447,593.03 - Step 4: Simplify right side
19,149,414.53x = 276,089,708,843,733.25 - Step 5: Solve for x
x = 276,089,708,843,733.25/19,149,414.53 - Step 6: Final answer
x = 14,417,657.96
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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.