Finding the Fourth Proportional to 9,328,501.23, 12,873,344.06 and 5,198,441.74
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Solution
The fourth proportional to 9,328,501.23, 12,873,344.06 and 5,198,441.74 is: 7,173,856.49
Step by Step Solution
- Step 1: Write the proportion equation
9,328,501.23 : 12,873,344.06 = 5,198,441.74 : x - Step 2: Convert to fraction form
9,328,501.23/12,873,344.06 = 5,198,441.74/x - Step 3: Cross multiply
9,328,501.23x = 12,873,344.06 × 5,198,441.74 - Step 4: Simplify right side
9,328,501.23x = 66,921,329,118,869.13 - Step 5: Solve for x
x = 66,921,329,118,869.13/9,328,501.23 - Step 6: Final answer
x = 7,173,856.49
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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.