Finding the Fourth Proportional to 13,122,343.13, 19,686,836.19 and 4,024,903.56
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Solution
The fourth proportional to 13,122,343.13, 19,686,836.19 and 4,024,903.56 is: 6,038,374.12
Step by Step Solution
- Step 1: Write the proportion equation
13,122,343.13 : 19,686,836.19 = 4,024,903.56 : x - Step 2: Convert to fraction form
13,122,343.13/19,686,836.19 = 4,024,903.56/x - Step 3: Cross multiply
13,122,343.13x = 19,686,836.19 × 4,024,903.56 - Step 4: Simplify right side
13,122,343.13x = 79,237,617,066,267.84 - Step 5: Solve for x
x = 79,237,617,066,267.84/13,122,343.13 - Step 6: Final answer
x = 6,038,374.12
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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.