Finding the Fourth Proportional to 40,696,847.60, 56,161,636.79 and 22,363,314.08
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Solution
The fourth proportional to 40,696,847.60, 56,161,636.79 and 22,363,314.08 is: 30,861,366.34
Step by Step Solution
- Step 1: Write the proportion equation
40,696,847.60 : 56,161,636.79 = 22,363,314.08 : x - Step 2: Convert to fraction form
40,696,847.60/56,161,636.79 = 22,363,314.08/x - Step 3: Cross multiply
40,696,847.60x = 56,161,636.79 × 22,363,314.08 - Step 4: Simplify right side
40,696,847.60x = 1,255,960,322,556,753 - Step 5: Solve for x
x = 1,255,960,322,556,753/40,696,847.60 - Step 6: Final answer
x = 30,861,366.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.