Finding the Fourth Proportional to 21,562,300.95, 29,758,584.63 and 12,272,129.88
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Solution
The fourth proportional to 21,562,300.95, 29,758,584.63 and 12,272,129.88 is: 16,937,024.32
Step by Step Solution
- Step 1: Write the proportion equation
21,562,300.95 : 29,758,584.63 = 12,272,129.88 : x - Step 2: Convert to fraction form
21,562,300.95/29,758,584.63 = 12,272,129.88/x - Step 3: Cross multiply
21,562,300.95x = 29,758,584.63 × 12,272,129.88 - Step 4: Simplify right side
21,562,300.95x = 365,201,215,624,331.75 - Step 5: Solve for x
x = 365,201,215,624,331.75/21,562,300.95 - Step 6: Final answer
x = 16,937,024.32
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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.