Finding the Fourth Proportional to 13,374,656.14, 20,055,660.95 and 5,181,135.98
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Solution
The fourth proportional to 13,374,656.14, 20,055,660.95 and 5,181,135.98 is: 7,769,254.43
Step by Step Solution
- Step 1: Write the proportion equation
13,374,656.14 : 20,055,660.95 = 5,181,135.98 : x - Step 2: Convert to fraction form
13,374,656.14/20,055,660.95 = 5,181,135.98/x - Step 3: Cross multiply
13,374,656.14x = 20,055,660.95 × 5,181,135.98 - Step 4: Simplify right side
13,374,656.14x = 103,911,106,424,541.98 - Step 5: Solve for x
x = 103,911,106,424,541.98/13,374,656.14 - Step 6: Final answer
x = 7,769,254.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.