Finding the Fourth Proportional to 13,164,407.24, 19,747,477.28 and 3,449,258.12
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Solution
The fourth proportional to 13,164,407.24, 19,747,477.28 and 3,449,258.12 is: 5,174,114.19
Step by Step Solution
- Step 1: Write the proportion equation
13,164,407.24 : 19,747,477.28 = 3,449,258.12 : x - Step 2: Convert to fraction form
13,164,407.24/19,747,477.28 = 3,449,258.12/x - Step 3: Cross multiply
13,164,407.24x = 19,747,477.28 × 3,449,258.12 - Step 4: Simplify right side
13,164,407.24x = 68,114,146,357,555.52 - Step 5: Solve for x
x = 68,114,146,357,555.52/13,164,407.24 - Step 6: Final answer
x = 5,174,114.19
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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.