Finding the Fourth Proportional to 9,927,819.09, 13,698,897.66 and 5,576,071.68
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Solution
The fourth proportional to 9,927,819.09, 13,698,897.66 and 5,576,071.68 is: 7,694,140.54
Step by Step Solution
- Step 1: Write the proportion equation
9,927,819.09 : 13,698,897.66 = 5,576,071.68 : x - Step 2: Convert to fraction form
9,927,819.09/13,698,897.66 = 5,576,071.68/x - Step 3: Cross multiply
9,927,819.09x = 13,698,897.66 × 5,576,071.68 - Step 4: Simplify right side
9,927,819.09x = 76,386,035,289,144.27 - Step 5: Solve for x
x = 76,386,035,289,144.27/9,927,819.09 - Step 6: Final answer
x = 7,694,140.54
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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.