Finding the Fourth Proportional to 19,075,193.80, 28,612,790.76 and 15,695,732.08
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Solution
The fourth proportional to 19,075,193.80, 28,612,790.76 and 15,695,732.08 is: 23,543,598.17
Step by Step Solution
- Step 1: Write the proportion equation
19,075,193.80 : 28,612,790.76 = 15,695,732.08 : x - Step 2: Convert to fraction form
19,075,193.80/28,612,790.76 = 15,695,732.08/x - Step 3: Cross multiply
19,075,193.80x = 28,612,790.76 × 15,695,732.08 - Step 4: Simplify right side
19,075,193.80x = 449,098,697,830,059.62 - Step 5: Solve for x
x = 449,098,697,830,059.62/19,075,193.80 - Step 6: Final answer
x = 23,543,598.17
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1.5x scale
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.