Finding the Fourth Proportional to 40,842,728.22, 56,361,323.97 and 22,257,473.70
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Solution
The fourth proportional to 40,842,728.22, 56,361,323.97 and 22,257,473.70 is: 30,714,419.45
Step by Step Solution
- Step 1: Write the proportion equation
40,842,728.22 : 56,361,323.97 = 22,257,473.70 : x - Step 2: Convert to fraction form
40,842,728.22/56,361,323.97 = 22,257,473.70/x - Step 3: Cross multiply
40,842,728.22x = 56,361,323.97 × 22,257,473.70 - Step 4: Simplify right side
40,842,728.22x = 1,254,460,685,959,454.50 - Step 5: Solve for x
x = 1,254,460,685,959,454.50/40,842,728.22 - Step 6: Final answer
x = 30,714,419.45
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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.