Finding the Fourth Proportional to 15,237,069.72, 21,027,762.74 and 8,361,797.84
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Solution
The fourth proportional to 15,237,069.72, 21,027,762.74 and 8,361,797.84 is: 11,539,613.87
Step by Step Solution
- Step 1: Write the proportion equation
15,237,069.72 : 21,027,762.74 = 8,361,797.84 : x - Step 2: Convert to fraction form
15,237,069.72/21,027,762.74 = 8,361,797.84/x - Step 3: Cross multiply
15,237,069.72x = 21,027,762.74 × 8,361,797.84 - Step 4: Simplify right side
15,237,069.72x = 175,829,901,059,364.47 - Step 5: Solve for x
x = 175,829,901,059,364.47/15,237,069.72 - Step 6: Final answer
x = 11,539,613.87
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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.