Finding the Fourth Proportional to 40,128,248.16, 55,380,397.68 and 22,727,688.84
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Solution
The fourth proportional to 40,128,248.16, 55,380,397.68 and 22,727,688.84 is: 31,366,144.90
Step by Step Solution
- Step 1: Write the proportion equation
40,128,248.16 : 55,380,397.68 = 22,727,688.84 : x - Step 2: Convert to fraction form
40,128,248.16/55,380,397.68 = 22,727,688.84/x - Step 3: Cross multiply
40,128,248.16x = 55,380,397.68 × 22,727,688.84 - Step 4: Simplify right side
40,128,248.16x = 1,258,668,446,306,498 - Step 5: Solve for x
x = 1,258,668,446,306,498/40,128,248.16 - Step 6: Final answer
x = 31,366,144.90
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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.