Finding the Fourth Proportional to 10,828,883.12, 14,950,653.74 and 6,968,113.72
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Solution
The fourth proportional to 10,828,883.12, 14,950,653.74 and 6,968,113.72 is: 9,620,369.37
Step by Step Solution
- Step 1: Write the proportion equation
10,828,883.12 : 14,950,653.74 = 6,968,113.72 : x - Step 2: Convert to fraction form
10,828,883.12/14,950,653.74 = 6,968,113.72/x - Step 3: Cross multiply
10,828,883.12x = 14,950,653.74 × 6,968,113.72 - Step 4: Simplify right side
10,828,883.12x = 104,177,855,448,663.31 - Step 5: Solve for x
x = 104,177,855,448,663.31/10,828,883.12 - Step 6: Final answer
x = 9,620,369.37
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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.