Finding the Fourth Proportional to 13,243,882.56, 19,866,669.60 and 3,528,334.08
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Solution
The fourth proportional to 13,243,882.56, 19,866,669.60 and 3,528,334.08 is: 5,292,726.44
Step by Step Solution
- Step 1: Write the proportion equation
13,243,882.56 : 19,866,669.60 = 3,528,334.08 : x - Step 2: Convert to fraction form
13,243,882.56/19,866,669.60 = 3,528,334.08/x - Step 3: Cross multiply
13,243,882.56x = 19,866,669.60 × 3,528,334.08 - Step 4: Simplify right side
13,243,882.56x = 70,096,247,405,779.98 - Step 5: Solve for x
x = 70,096,247,405,779.98/13,243,882.56 - Step 6: Final answer
x = 5,292,726.44
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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.