Finding the Fourth Proportional to 11,497,812.17, 15,862,973.85 and 7,370,119.40
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Solution
The fourth proportional to 11,497,812.17, 15,862,973.85 and 7,370,119.40 is: 10,168,196.31
Step by Step Solution
- Step 1: Write the proportion equation
11,497,812.17 : 15,862,973.85 = 7,370,119.40 : x - Step 2: Convert to fraction form
11,497,812.17/15,862,973.85 = 7,370,119.40/x - Step 3: Cross multiply
11,497,812.17x = 15,862,973.85 × 7,370,119.40 - Step 4: Simplify right side
11,497,812.17x = 116,912,011,234,262.81 - Step 5: Solve for x
x = 116,912,011,234,262.81/11,497,812.17 - Step 6: Final answer
x = 10,168,196.31
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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.