Finding the Fourth Proportional to 13,075,402.53, 19,615,941.08 and 3,977,263.65
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Solution
The fourth proportional to 13,075,402.53, 19,615,941.08 and 3,977,263.65 is: 5,966,758.52
Step by Step Solution
- Step 1: Write the proportion equation
13,075,402.53 : 19,615,941.08 = 3,977,263.65 : x - Step 2: Convert to fraction form
13,075,402.53/19,615,941.08 = 3,977,263.65/x - Step 3: Cross multiply
13,075,402.53x = 19,615,941.08 × 3,977,263.65 - Step 4: Simplify right side
13,075,402.53x = 78,017,769,477,008.75 - Step 5: Solve for x
x = 78,017,769,477,008.75/13,075,402.53 - Step 6: Final answer
x = 5,966,758.52
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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.