Finding the Fourth Proportional to 19,975,307.28, 27,562,968.24 and 12,130,740
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Solution
The fourth proportional to 19,975,307.28, 27,562,968.24 and 12,130,740 is: 16,738,626.18
Step by Step Solution
- Step 1: Write the proportion equation
19,975,307.28 : 27,562,968.24 = 12,130,740 : x - Step 2: Convert to fraction form
19,975,307.28/27,562,968.24 = 12,130,740/x - Step 3: Cross multiply
19,975,307.28x = 27,562,968.24 × 12,130,740 - Step 4: Simplify right side
19,975,307.28x = 334,359,201,347,697.56 - Step 5: Solve for x
x = 334,359,201,347,697.56/19,975,307.28 - Step 6: Final answer
x = 16,738,626.18
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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.