Finding the Fourth Proportional to 13,894,340.15, 19,174,301.99 and 7,699,490.34
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Solution
The fourth proportional to 13,894,340.15, 19,174,301.99 and 7,699,490.34 is: 10,625,359.06
Step by Step Solution
- Step 1: Write the proportion equation
13,894,340.15 : 19,174,301.99 = 7,699,490.34 : x - Step 2: Convert to fraction form
13,894,340.15/19,174,301.99 = 7,699,490.34/x - Step 3: Cross multiply
13,894,340.15x = 19,174,301.99 × 7,699,490.34 - Step 4: Simplify right side
13,894,340.15x = 147,632,352,967,496.50 - Step 5: Solve for x
x = 147,632,352,967,496.50/13,894,340.15 - Step 6: Final answer
x = 10,625,359.06
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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.