Finding the Fourth Proportional to 22,298,420.80, 33,439,336.80 and 8,832,462.40
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Solution
The fourth proportional to 22,298,420.80, 33,439,336.80 and 8,832,462.40 is: 13,245,408.17
Step by Step Solution
- Step 1: Write the proportion equation
22,298,420.80 : 33,439,336.80 = 8,832,462.40 : x - Step 2: Convert to fraction form
22,298,420.80/33,439,336.80 = 8,832,462.40/x - Step 3: Cross multiply
22,298,420.80x = 33,439,336.80 × 8,832,462.40 - Step 4: Simplify right side
22,298,420.80x = 295,351,684,966,936.31 - Step 5: Solve for x
x = 295,351,684,966,936.31/22,298,420.80 - Step 6: Final answer
x = 13,245,408.17
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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.