Finding the Fourth Proportional to 45,713,669.94, 68,566,305.87 and 15,421,795.38
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Solution
The fourth proportional to 45,713,669.94, 68,566,305.87 and 15,421,795.38 is: 23,131,276.50
Step by Step Solution
- Step 1: Write the proportion equation
45,713,669.94 : 68,566,305.87 = 15,421,795.38 : x - Step 2: Convert to fraction form
45,713,669.94/68,566,305.87 = 15,421,795.38/x - Step 3: Cross multiply
45,713,669.94x = 68,566,305.87 × 15,421,795.38 - Step 4: Simplify right side
45,713,669.94x = 1,057,415,539,089,633 - Step 5: Solve for x
x = 1,057,415,539,089,633/45,713,669.94 - Step 6: Final answer
x = 23,131,276.50
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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.