Finding the Fourth Proportional to 10,261,782.74, 14,161,261.08 and 5,615,567.56
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Solution
The fourth proportional to 10,261,782.74, 14,161,261.08 and 5,615,567.56 is: 7,749,483.73
Step by Step Solution
- Step 1: Write the proportion equation
10,261,782.74 : 14,161,261.08 = 5,615,567.56 : x - Step 2: Convert to fraction form
10,261,782.74/14,161,261.08 = 5,615,567.56/x - Step 3: Cross multiply
10,261,782.74x = 14,161,261.08 × 5,615,567.56 - Step 4: Simplify right side
10,261,782.74x = 79,523,518,368,298.53 - Step 5: Solve for x
x = 79,523,518,368,298.53/10,261,782.74 - Step 6: Final answer
x = 7,749,483.73
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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.