Finding the Fourth Proportional to 14,429,857.36, 19,913,214.12 and 7,814,497.36
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Solution
The fourth proportional to 14,429,857.36, 19,913,214.12 and 7,814,497.36 is: 10,784,012.29
Step by Step Solution
- Step 1: Write the proportion equation
14,429,857.36 : 19,913,214.12 = 7,814,497.36 : x - Step 2: Convert to fraction form
14,429,857.36/19,913,214.12 = 7,814,497.36/x - Step 3: Cross multiply
14,429,857.36x = 19,913,214.12 × 7,814,497.36 - Step 4: Simplify right side
14,429,857.36x = 155,611,759,169,854.75 - Step 5: Solve for x
x = 155,611,759,169,854.75/14,429,857.36 - Step 6: Final answer
x = 10,784,012.29
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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.