Finding the Fourth Proportional to 7,828,983.24, 11,740,656.42 and 2,710,022.28
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Solution
The fourth proportional to 7,828,983.24, 11,740,656.42 and 2,710,022.28 is: 4,064,057.81
Step by Step Solution
- Step 1: Write the proportion equation
7,828,983.24 : 11,740,656.42 = 2,710,022.28 : x - Step 2: Convert to fraction form
7,828,983.24/11,740,656.42 = 2,710,022.28/x - Step 3: Cross multiply
7,828,983.24x = 11,740,656.42 × 2,710,022.28 - Step 4: Simplify right side
7,828,983.24x = 31,817,440,480,025.04 - Step 5: Solve for x
x = 31,817,440,480,025.04/7,828,983.24 - Step 6: Final answer
x = 4,064,057.81
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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.