Finding the Fourth Proportional to 15,272,344.80, 22,907,998.80 and 3,912,904.80
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Solution
The fourth proportional to 15,272,344.80, 22,907,998.80 and 3,912,904.80 is: 5,869,224.38
Step by Step Solution
- Step 1: Write the proportion equation
15,272,344.80 : 22,907,998.80 = 3,912,904.80 : x - Step 2: Convert to fraction form
15,272,344.80/22,907,998.80 = 3,912,904.80/x - Step 3: Cross multiply
15,272,344.80x = 22,907,998.80 × 3,912,904.80 - Step 4: Simplify right side
15,272,344.80x = 89,636,818,462,914.23 - Step 5: Solve for x
x = 89,636,818,462,914.23/15,272,344.80 - Step 6: Final answer
x = 5,869,224.38
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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.