Finding the Fourth Proportional to 13,149,625.80, 19,724,438.70 and 6,071,737.80
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Solution
The fourth proportional to 13,149,625.80, 19,724,438.70 and 6,071,737.80 is: 9,107,606.70
Step by Step Solution
- Step 1: Write the proportion equation
13,149,625.80 : 19,724,438.70 = 6,071,737.80 : x - Step 2: Convert to fraction form
13,149,625.80/19,724,438.70 = 6,071,737.80/x - Step 3: Cross multiply
13,149,625.80x = 19,724,438.70 × 6,071,737.80 - Step 4: Simplify right side
13,149,625.80x = 119,761,620,038,572.86 - Step 5: Solve for x
x = 119,761,620,038,572.86/13,149,625.80 - Step 6: Final answer
x = 9,107,606.70
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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.