Finding the Fourth Proportional to 8,623,201.70, 12,934,802.55 and 2,943,611.30
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Solution
The fourth proportional to 8,623,201.70, 12,934,802.55 and 2,943,611.30 is: 4,415,416.95
Step by Step Solution
- Step 1: Write the proportion equation
8,623,201.70 : 12,934,802.55 = 2,943,611.30 : x - Step 2: Convert to fraction form
8,623,201.70/12,934,802.55 = 2,943,611.30/x - Step 3: Cross multiply
8,623,201.70x = 12,934,802.55 × 2,943,611.30 - Step 4: Simplify right side
8,623,201.70x = 38,075,030,949,448.81 - Step 5: Solve for x
x = 38,075,030,949,448.81/8,623,201.70 - Step 6: Final answer
x = 4,415,416.95
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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.