Finding the Fourth Proportional to 48,157,636, 66,457,337.70 and 28,594,628.32
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Solution
The fourth proportional to 48,157,636, 66,457,337.70 and 28,594,628.32 is: 39,460,468.34
Step by Step Solution
- Step 1: Write the proportion equation
48,157,636 : 66,457,337.70 = 28,594,628.32 : x - Step 2: Convert to fraction form
48,157,636/66,457,337.70 = 28,594,628.32/x - Step 3: Cross multiply
48,157,636x = 66,457,337.70 × 28,594,628.32 - Step 4: Simplify right side
48,157,636x = 1,900,322,870,668,223.75 - Step 5: Solve for x
x = 1,900,322,870,668,223.75/48,157,636 - Step 6: Final answer
x = 39,460,468.34
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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.