Finding the Fourth Proportional to 28,901,031.81, 43,351,692.61 and 7,335,639.92
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Solution
The fourth proportional to 28,901,031.81, 43,351,692.61 and 7,335,639.92 is: 11,003,496.66
Step by Step Solution
- Step 1: Write the proportion equation
28,901,031.81 : 43,351,692.61 = 7,335,639.92 : x - Step 2: Convert to fraction form
28,901,031.81/43,351,692.61 = 7,335,639.92/x - Step 3: Cross multiply
28,901,031.81x = 43,351,692.61 × 7,335,639.92 - Step 4: Simplify right side
28,901,031.81x = 318,012,406,909,485 - Step 5: Solve for x
x = 318,012,406,909,485/28,901,031.81 - Step 6: Final answer
x = 11,003,496.66
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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.