Finding the Fourth Proportional to 26,415,393.28, 39,616,440 and 10,235,792.32
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Solution
The fourth proportional to 26,415,393.28, 39,616,440 and 10,235,792.32 is: 15,351,111.68
Step by Step Solution
- Step 1: Write the proportion equation
26,415,393.28 : 39,616,440 = 10,235,792.32 : x - Step 2: Convert to fraction form
26,415,393.28/39,616,440 = 10,235,792.32/x - Step 3: Cross multiply
26,415,393.28x = 39,616,440 × 10,235,792.32 - Step 4: Simplify right side
26,415,393.28x = 405,505,652,297,740.81 - Step 5: Solve for x
x = 405,505,652,297,740.81/26,415,393.28 - Step 6: Final answer
x = 15,351,111.68
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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.