Finding the Fourth Proportional to 56,238,605.97, 84,336,099.77 and 19,343,480.63
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Solution
The fourth proportional to 56,238,605.97, 84,336,099.77 and 19,343,480.63 is: 29,007,719.58
Step by Step Solution
- Step 1: Write the proportion equation
56,238,605.97 : 84,336,099.77 = 19,343,480.63 : x - Step 2: Convert to fraction form
56,238,605.97/84,336,099.77 = 19,343,480.63/x - Step 3: Cross multiply
56,238,605.97x = 84,336,099.77 × 19,343,480.63 - Step 4: Simplify right side
56,238,605.97x = 1,631,353,711,792,344.50 - Step 5: Solve for x
x = 1,631,353,711,792,344.50/56,238,605.97 - Step 6: Final answer
x = 29,007,719.58
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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.