Finding the Fourth Proportional to 14,358,768.13, 19,815,226.49 and 7,832,426.62
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Solution
The fourth proportional to 14,358,768.13, 19,815,226.49 and 7,832,426.62 is: 10,808,817.72
Step by Step Solution
- Step 1: Write the proportion equation
14,358,768.13 : 19,815,226.49 = 7,832,426.62 : x - Step 2: Convert to fraction form
14,358,768.13/19,815,226.49 = 7,832,426.62/x - Step 3: Cross multiply
14,358,768.13x = 19,815,226.49 × 7,832,426.62 - Step 4: Simplify right side
14,358,768.13x = 155,201,307,441,605.16 - Step 5: Solve for x
x = 155,201,307,441,605.16/14,358,768.13 - Step 6: Final answer
x = 10,808,817.72
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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.