Finding the Fourth Proportional to 15,363,380.04, 21,201,216.98 and 8,393,907.84
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Solution
The fourth proportional to 15,363,380.04, 21,201,216.98 and 8,393,907.84 is: 11,583,457.61
Step by Step Solution
- Step 1: Write the proportion equation
15,363,380.04 : 21,201,216.98 = 8,393,907.84 : x - Step 2: Convert to fraction form
15,363,380.04/21,201,216.98 = 8,393,907.84/x - Step 3: Cross multiply
15,363,380.04x = 21,201,216.98 × 8,393,907.84 - Step 4: Simplify right side
15,363,380.04x = 177,961,061,425,963.12 - Step 5: Solve for x
x = 177,961,061,425,963.12/15,363,380.04 - Step 6: Final answer
x = 11,583,457.61
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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.