Finding the Fourth Proportional to 9,838,722.28, 13,576,852.14 and 5,708,433.46
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Solution
The fourth proportional to 9,838,722.28, 13,576,852.14 and 5,708,433.46 is: 7,877,298.99
Step by Step Solution
- Step 1: Write the proportion equation
9,838,722.28 : 13,576,852.14 = 5,708,433.46 : x - Step 2: Convert to fraction form
9,838,722.28/13,576,852.14 = 5,708,433.46/x - Step 3: Cross multiply
9,838,722.28x = 13,576,852.14 × 5,708,433.46 - Step 4: Simplify right side
9,838,722.28x = 77,502,557,037,448.61 - Step 5: Solve for x
x = 77,502,557,037,448.61/9,838,722.28 - Step 6: Final answer
x = 7,877,298.99
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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.