Finding the Fourth Proportional to 14,018,529.87, 19,345,823.16 and 8,221,492.71
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Solution
The fourth proportional to 14,018,529.87, 19,345,823.16 and 8,221,492.71 is: 11,345,807.69
Step by Step Solution
- Step 1: Write the proportion equation
14,018,529.87 : 19,345,823.16 = 8,221,492.71 : x - Step 2: Convert to fraction form
14,018,529.87/19,345,823.16 = 8,221,492.71/x - Step 3: Cross multiply
14,018,529.87x = 19,345,823.16 × 8,221,492.71 - Step 4: Simplify right side
14,018,529.87x = 159,051,543,941,052.59 - Step 5: Solve for x
x = 159,051,543,941,052.59/14,018,529.87 - Step 6: Final answer
x = 11,345,807.69
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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.