Finding the Fourth Proportional to 56,176,426.80, 84,285,635.40 and 22,121,512.56
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Solution
The fourth proportional to 56,176,426.80, 84,285,635.40 and 22,121,512.56 is: 33,190,536.46
Step by Step Solution
- Step 1: Write the proportion equation
56,176,426.80 : 84,285,635.40 = 22,121,512.56 : x - Step 2: Convert to fraction form
56,176,426.80/84,285,635.40 = 22,121,512.56/x - Step 3: Cross multiply
56,176,426.80x = 84,285,635.40 × 22,121,512.56 - Step 4: Simplify right side
56,176,426.80x = 1,864,525,742,128,680.75 - Step 5: Solve for x
x = 1,864,525,742,128,680.75/56,176,426.80 - Step 6: Final answer
x = 33,190,536.46
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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.