Finding the Fourth Proportional to 11,048,813.56, 15,248,129.28 and 6,698,083.24
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Solution
The fourth proportional to 11,048,813.56, 15,248,129.28 and 6,698,083.24 is: 9,243,819.58
Step by Step Solution
- Step 1: Write the proportion equation
11,048,813.56 : 15,248,129.28 = 6,698,083.24 : x - Step 2: Convert to fraction form
11,048,813.56/15,248,129.28 = 6,698,083.24/x - Step 3: Cross multiply
11,048,813.56x = 15,248,129.28 × 6,698,083.24 - Step 4: Simplify right side
11,048,813.56x = 102,133,239,171,721.27 - Step 5: Solve for x
x = 102,133,239,171,721.27/11,048,813.56 - Step 6: Final answer
x = 9,243,819.58
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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.