Finding the Fourth Proportional to 15,974,075.80, 23,961,113.70 and 13,139,723.80
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Solution
The fourth proportional to 15,974,075.80, 23,961,113.70 and 13,139,723.80 is: 19,709,585.70
Step by Step Solution
- Step 1: Write the proportion equation
15,974,075.80 : 23,961,113.70 = 13,139,723.80 : x - Step 2: Convert to fraction form
15,974,075.80/23,961,113.70 = 13,139,723.80/x - Step 3: Cross multiply
15,974,075.80x = 23,961,113.70 × 13,139,723.80 - Step 4: Simplify right side
15,974,075.80x = 314,842,415,958,396.06 - Step 5: Solve for x
x = 314,842,415,958,396.06/15,974,075.80 - Step 6: Final answer
x = 19,709,585.70
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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.