Finding the Fourth Proportional to 10,888,335.20, 16,332,502.80 and 4,495,296.80
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Solution
The fourth proportional to 10,888,335.20, 16,332,502.80 and 4,495,296.80 is: 6,742,945.20
Step by Step Solution
- Step 1: Write the proportion equation
10,888,335.20 : 16,332,502.80 = 4,495,296.80 : x - Step 2: Convert to fraction form
10,888,335.20/16,332,502.80 = 4,495,296.80/x - Step 3: Cross multiply
10,888,335.20x = 16,332,502.80 × 4,495,296.80 - Step 4: Simplify right side
10,888,335.20x = 73,419,447,572,831.05 - Step 5: Solve for x
x = 73,419,447,572,831.05/10,888,335.20 - Step 6: Final answer
x = 6,742,945.20
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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.