Finding the Fourth Proportional to 42,352,125.62, 63,497,216.91 and 13,581,884.66
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Solution
The fourth proportional to 42,352,125.62, 63,497,216.91 and 13,581,884.66 is: 20,362,894.75
Step by Step Solution
- Step 1: Write the proportion equation
42,352,125.62 : 63,497,216.91 = 13,581,884.66 : x - Step 2: Convert to fraction form
42,352,125.62/63,497,216.91 = 13,581,884.66/x - Step 3: Cross multiply
42,352,125.62x = 63,497,216.91 × 13,581,884.66 - Step 4: Simplify right side
42,352,125.62x = 862,411,876,302,621.50 - Step 5: Solve for x
x = 862,411,876,302,621.50/42,352,125.62 - Step 6: Final answer
x = 20,362,894.75
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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.