Finding the Fourth Proportional to 22,081,785.17, 30,471,395.36 and 12,291,977.63
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Solution
The fourth proportional to 22,081,785.17, 30,471,395.36 and 12,291,977.63 is: 16,962,111.86
Step by Step Solution
- Step 1: Write the proportion equation
22,081,785.17 : 30,471,395.36 = 12,291,977.63 : x - Step 2: Convert to fraction form
22,081,785.17/30,471,395.36 = 12,291,977.63/x - Step 3: Cross multiply
22,081,785.17x = 30,471,395.36 × 12,291,977.63 - Step 4: Simplify right side
22,081,785.17x = 374,553,710,134,724.44 - Step 5: Solve for x
x = 374,553,710,134,724.44/22,081,785.17 - Step 6: Final answer
x = 16,962,111.86
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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.