Finding the Fourth Proportional to 53,367,811.14, 73,647,642.34 and 28,921,525.14
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Solution
The fourth proportional to 53,367,811.14, 73,647,642.34 and 28,921,525.14 is: 39,911,738.82
Step by Step Solution
- Step 1: Write the proportion equation
53,367,811.14 : 73,647,642.34 = 28,921,525.14 : x - Step 2: Convert to fraction form
53,367,811.14/73,647,642.34 = 28,921,525.14/x - Step 3: Cross multiply
53,367,811.14x = 73,647,642.34 × 28,921,525.14 - Step 4: Simplify right side
53,367,811.14x = 2,130,002,139,438,038.50 - Step 5: Solve for x
x = 2,130,002,139,438,038.50/53,367,811.14 - Step 6: Final answer
x = 39,911,738.82
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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.