Finding the Fourth Proportional to 31,629,000.99, 47,409,548.31 and 13,417,830.12
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Solution
The fourth proportional to 31,629,000.99, 47,409,548.31 and 13,417,830.12 is: 20,112,341.38
Step by Step Solution
- Step 1: Write the proportion equation
31,629,000.99 : 47,409,548.31 = 13,417,830.12 : x - Step 2: Convert to fraction form
31,629,000.99/47,409,548.31 = 13,417,830.12/x - Step 3: Cross multiply
31,629,000.99x = 47,409,548.31 × 13,417,830.12 - Step 4: Simplify right side
31,629,000.99x = 636,133,265,289,513.12 - Step 5: Solve for x
x = 636,133,265,289,513.12/31,629,000.99 - Step 6: Final answer
x = 20,112,341.38
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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.