Finding the Fourth Proportional to 17,883,972.48, 26,819,191.44 and 7,648,406.40
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Solution
The fourth proportional to 17,883,972.48, 26,819,191.44 and 7,648,406.40 is: 11,469,715.45
Step by Step Solution
- Step 1: Write the proportion equation
17,883,972.48 : 26,819,191.44 = 7,648,406.40 : x - Step 2: Convert to fraction form
17,883,972.48/26,819,191.44 = 7,648,406.40/x - Step 3: Cross multiply
17,883,972.48x = 26,819,191.44 × 7,648,406.40 - Step 4: Simplify right side
17,883,972.48x = 205,124,075,452,521.25 - Step 5: Solve for x
x = 205,124,075,452,521.25/17,883,972.48 - Step 6: Final answer
x = 11,469,715.45
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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.