Finding the Fourth Proportional to 10,307,588.94, 15,461,430.32 and 3,484,198.68
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Solution
The fourth proportional to 10,307,588.94, 15,461,430.32 and 3,484,198.68 is: 5,226,313.88
Step by Step Solution
- Step 1: Write the proportion equation
10,307,588.94 : 15,461,430.32 = 3,484,198.68 : x - Step 2: Convert to fraction form
10,307,588.94/15,461,430.32 = 3,484,198.68/x - Step 3: Cross multiply
10,307,588.94x = 15,461,430.32 × 3,484,198.68 - Step 4: Simplify right side
10,307,588.94x = 53,870,695,111,855.98 - Step 5: Solve for x
x = 53,870,695,111,855.98/10,307,588.94 - Step 6: Final answer
x = 5,226,313.88
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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.