Finding the Fourth Proportional to 11,028,282.48, 15,218,894.52 and 6,199,386.48
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Solution
The fourth proportional to 11,028,282.48, 15,218,894.52 and 6,199,386.48 is: 8,555,077.28
Step by Step Solution
- Step 1: Write the proportion equation
11,028,282.48 : 15,218,894.52 = 6,199,386.48 : x - Step 2: Convert to fraction form
11,028,282.48/15,218,894.52 = 6,199,386.48/x - Step 3: Cross multiply
11,028,282.48x = 15,218,894.52 × 6,199,386.48 - Step 4: Simplify right side
11,028,282.48x = 94,347,808,927,834.09 - Step 5: Solve for x
x = 94,347,808,927,834.09/11,028,282.48 - Step 6: Final answer
x = 8,555,077.28
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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.