Finding the Fourth Proportional to 13,291,356.71, 19,937,032.94 and 3,193,977.71
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Solution
The fourth proportional to 13,291,356.71, 19,937,032.94 and 3,193,977.71 is: 4,790,966.06
Step by Step Solution
- Step 1: Write the proportion equation
13,291,356.71 : 19,937,032.94 = 3,193,977.71 : x - Step 2: Convert to fraction form
13,291,356.71/19,937,032.94 = 3,193,977.71/x - Step 3: Cross multiply
13,291,356.71x = 19,937,032.94 × 3,193,977.71 - Step 4: Simplify right side
13,291,356.71x = 63,678,438,871,723.29 - Step 5: Solve for x
x = 63,678,438,871,723.29/13,291,356.71 - Step 6: Final answer
x = 4,790,966.06
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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.