Finding the Fourth Proportional to 10,617,569.98, 15,848,842.69 and 9,110,934.74
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Solution
The fourth proportional to 10,617,569.98, 15,848,842.69 and 9,110,934.74 is: 13,599,888.84
Step by Step Solution
- Step 1: Write the proportion equation
10,617,569.98 : 15,848,842.69 = 9,110,934.74 : x - Step 2: Convert to fraction form
10,617,569.98/15,848,842.69 = 9,110,934.74/x - Step 3: Cross multiply
10,617,569.98x = 15,848,842.69 × 9,110,934.74 - Step 4: Simplify right side
10,617,569.98x = 144,397,771,453,116.06 - Step 5: Solve for x
x = 144,397,771,453,116.06/10,617,569.98 - Step 6: Final answer
x = 13,599,888.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.