Finding the Fourth Proportional to 11,447,869.48, 15,798,665.28 and 6,487,273.68
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Solution
The fourth proportional to 11,447,869.48, 15,798,665.28 and 6,487,273.68 is: 8,952,780.74
Step by Step Solution
- Step 1: Write the proportion equation
11,447,869.48 : 15,798,665.28 = 6,487,273.68 : x - Step 2: Convert to fraction form
11,447,869.48/15,798,665.28 = 6,487,273.68/x - Step 3: Cross multiply
11,447,869.48x = 15,798,665.28 × 6,487,273.68 - Step 4: Simplify right side
11,447,869.48x = 102,490,265,450,073.83 - Step 5: Solve for x
x = 102,490,265,450,073.83/11,447,869.48 - Step 6: Final answer
x = 8,952,780.74
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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.