Finding the Fourth Proportional to 40,128,277.98, 55,380,438.90 and 22,727,718.66
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Solution
The fourth proportional to 40,128,277.98, 55,380,438.90 and 22,727,718.66 is: 31,366,186.09
Step by Step Solution
- Step 1: Write the proportion equation
40,128,277.98 : 55,380,438.90 = 22,727,718.66 : x - Step 2: Convert to fraction form
40,128,277.98/55,380,438.90 = 22,727,718.66/x - Step 3: Cross multiply
40,128,277.98x = 55,380,438.90 × 22,727,718.66 - Step 4: Simplify right side
40,128,277.98x = 1,258,671,034,586,519.75 - Step 5: Solve for x
x = 1,258,671,034,586,519.75/40,128,277.98 - Step 6: Final answer
x = 31,366,186.09
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1.5x scale
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.