Finding the Fourth Proportional to 40,725,121.40, 56,201,776.14 and 22,141,511.95
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Solution
The fourth proportional to 40,725,121.40, 56,201,776.14 and 22,141,511.95 is: 30,555,889.22
Step by Step Solution
- Step 1: Write the proportion equation
40,725,121.40 : 56,201,776.14 = 22,141,511.95 : x - Step 2: Convert to fraction form
40,725,121.40/56,201,776.14 = 22,141,511.95/x - Step 3: Cross multiply
40,725,121.40x = 56,201,776.14 × 22,141,511.95 - Step 4: Simplify right side
40,725,121.40x = 1,244,392,297,938,393.50 - Step 5: Solve for x
x = 1,244,392,297,938,393.50/40,725,121.40 - Step 6: Final answer
x = 30,555,889.22
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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.