Finding the Fourth Proportional to 10,782,965.03, 16,169,038.91 and 3,591,970.79
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Solution
The fourth proportional to 10,782,965.03, 16,169,038.91 and 3,591,970.79 is: 5,386,154.48
Step by Step Solution
- Step 1: Write the proportion equation
10,782,965.03 : 16,169,038.91 = 3,591,970.79 : x - Step 2: Convert to fraction form
10,782,965.03/16,169,038.91 = 3,591,970.79/x - Step 3: Cross multiply
10,782,965.03x = 16,169,038.91 × 3,591,970.79 - Step 4: Simplify right side
10,782,965.03x = 58,078,715,449,133.59 - Step 5: Solve for x
x = 58,078,715,449,133.59/10,782,965.03 - Step 6: Final answer
x = 5,386,154.48
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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.