Finding the Fourth Proportional to 42,726,159.10, 64,089,239.38 and 10,377,843.65
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Solution
The fourth proportional to 42,726,159.10, 64,089,239.38 and 10,377,843.65 is: 15,566,765.65
Step by Step Solution
- Step 1: Write the proportion equation
42,726,159.10 : 64,089,239.38 = 10,377,843.65 : x - Step 2: Convert to fraction form
42,726,159.10/64,089,239.38 = 10,377,843.65/x - Step 3: Cross multiply
42,726,159.10x = 64,089,239.38 × 10,377,843.65 - Step 4: Simplify right side
42,726,159.10x = 665,108,105,933,063 - Step 5: Solve for x
x = 665,108,105,933,063/42,726,159.10 - Step 6: Final answer
x = 15,566,765.65
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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.