Finding the Fourth Proportional to 9,703,133.10, 13,390,416.99 and 5,352,402.78
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Solution
The fourth proportional to 9,703,133.10, 13,390,416.99 and 5,352,402.78 is: 7,386,367.31
Step by Step Solution
- Step 1: Write the proportion equation
9,703,133.10 : 13,390,416.99 = 5,352,402.78 : x - Step 2: Convert to fraction form
9,703,133.10/13,390,416.99 = 5,352,402.78/x - Step 3: Cross multiply
9,703,133.10x = 13,390,416.99 × 5,352,402.78 - Step 4: Simplify right side
9,703,133.10x = 71,670,905,122,635.23 - Step 5: Solve for x
x = 71,670,905,122,635.23/9,703,133.10 - Step 6: Final answer
x = 7,386,367.31
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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.