Finding the Fourth Proportional to 9,909,630.80, 14,860,876.44 and 3,430,947.14
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Solution
The fourth proportional to 9,909,630.80, 14,860,876.44 and 3,430,947.14 is: 5,145,184.78
Step by Step Solution
- Step 1: Write the proportion equation
9,909,630.80 : 14,860,876.44 = 3,430,947.14 : x - Step 2: Convert to fraction form
9,909,630.80/14,860,876.44 = 3,430,947.14/x - Step 3: Cross multiply
9,909,630.80x = 14,860,876.44 × 3,430,947.14 - Step 4: Simplify right side
9,909,630.80x = 50,986,881,519,711.38 - Step 5: Solve for x
x = 50,986,881,519,711.38/9,909,630.80 - Step 6: Final answer
x = 5,145,184.78
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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.