Finding the Fourth Proportional to 9,838,727.28, 13,576,859.02 and 5,708,438.48
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Solution
The fourth proportional to 9,838,727.28, 13,576,859.02 and 5,708,438.48 is: 7,877,305.90
Step by Step Solution
- Step 1: Write the proportion equation
9,838,727.28 : 13,576,859.02 = 5,708,438.48 : x - Step 2: Convert to fraction form
9,838,727.28/13,576,859.02 = 5,708,438.48/x - Step 3: Cross multiply
9,838,727.28x = 13,576,859.02 × 5,708,438.48 - Step 4: Simplify right side
9,838,727.28x = 77,502,664,467,303.09 - Step 5: Solve for x
x = 77,502,664,467,303.09/9,838,727.28 - Step 6: Final answer
x = 7,877,305.90
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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.