Finding the Fourth Proportional to 28,119,359.88, 42,168,135.04 and 9,671,797.09
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Solution
The fourth proportional to 28,119,359.88, 42,168,135.04 and 9,671,797.09 is: 14,503,944.88
Step by Step Solution
- Step 1: Write the proportion equation
28,119,359.88 : 42,168,135.04 = 9,671,797.09 : x - Step 2: Convert to fraction form
28,119,359.88/42,168,135.04 = 9,671,797.09/x - Step 3: Cross multiply
28,119,359.88x = 42,168,135.04 × 9,671,797.09 - Step 4: Simplify right side
28,119,359.88x = 407,841,645,770,599 - Step 5: Solve for x
x = 407,841,645,770,599/28,119,359.88 - Step 6: Final answer
x = 14,503,944.88
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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.