Finding the Fourth Proportional to 36,905,591.76, 50,929,513.68 and 20,386,852.80
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Solution
The fourth proportional to 36,905,591.76, 50,929,513.68 and 20,386,852.80 is: 28,133,744.75
Step by Step Solution
- Step 1: Write the proportion equation
36,905,591.76 : 50,929,513.68 = 20,386,852.80 : x - Step 2: Convert to fraction form
36,905,591.76/50,929,513.68 = 20,386,852.80/x - Step 3: Cross multiply
36,905,591.76x = 50,929,513.68 × 20,386,852.80 - Step 4: Simplify right side
36,905,591.76x = 1,038,292,498,569,746.38 - Step 5: Solve for x
x = 1,038,292,498,569,746.38/36,905,591.76 - Step 6: Final answer
x = 28,133,744.75
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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.