Finding the Fourth Proportional to 13,440,683.30, 20,161,024.95 and 4,465,235.30
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Solution
The fourth proportional to 13,440,683.30, 20,161,024.95 and 4,465,235.30 is: 6,697,852.95
Step by Step Solution
- Step 1: Write the proportion equation
13,440,683.30 : 20,161,024.95 = 4,465,235.30 : x - Step 2: Convert to fraction form
13,440,683.30/20,161,024.95 = 4,465,235.30/x - Step 3: Cross multiply
13,440,683.30x = 20,161,024.95 × 4,465,235.30 - Step 4: Simplify right side
13,440,683.30x = 90,023,720,290,920.73 - Step 5: Solve for x
x = 90,023,720,290,920.73/13,440,683.30 - Step 6: Final answer
x = 6,697,852.95
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Similar ratio
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1.5x scale
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.