Finding the Fourth Proportional to 19,069,786.80, 28,605,561.48 and 6,291,408.24
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Solution
The fourth proportional to 19,069,786.80, 28,605,561.48 and 6,291,408.24 is: 9,437,403.11
Step by Step Solution
- Step 1: Write the proportion equation
19,069,786.80 : 28,605,561.48 = 6,291,408.24 : x - Step 2: Convert to fraction form
19,069,786.80/28,605,561.48 = 6,291,408.24/x - Step 3: Cross multiply
19,069,786.80x = 28,605,561.48 × 6,291,408.24 - Step 4: Simplify right side
19,069,786.80x = 179,969,265,205,098.59 - Step 5: Solve for x
x = 179,969,265,205,098.59/19,069,786.80 - Step 6: Final answer
x = 9,437,403.11
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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.