Finding the Fourth Proportional to 9,970,604.99, 13,759,421.57 and 5,386,926.36
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Solution
The fourth proportional to 9,970,604.99, 13,759,421.57 and 5,386,926.36 is: 7,433,951.19
Step by Step Solution
- Step 1: Write the proportion equation
9,970,604.99 : 13,759,421.57 = 5,386,926.36 : x - Step 2: Convert to fraction form
9,970,604.99/13,759,421.57 = 5,386,926.36/x - Step 3: Cross multiply
9,970,604.99x = 13,759,421.57 × 5,386,926.36 - Step 4: Simplify right side
9,970,604.99x = 74,120,990,792,971.92 - Step 5: Solve for x
x = 74,120,990,792,971.92/9,970,604.99 - Step 6: Final answer
x = 7,433,951.19
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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.