Finding the Fourth Proportional to 7,415,009.86, 11,118,460.10 and 5,887,815.49
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Solution
The fourth proportional to 7,415,009.86, 11,118,460.10 and 5,887,815.49 is: 8,828,503.66
Step by Step Solution
- Step 1: Write the proportion equation
7,415,009.86 : 11,118,460.10 = 5,887,815.49 : x - Step 2: Convert to fraction form
7,415,009.86/11,118,460.10 = 5,887,815.49/x - Step 3: Cross multiply
7,415,009.86x = 11,118,460.10 × 5,887,815.49 - Step 4: Simplify right side
7,415,009.86x = 65,463,441,643,219.06 - Step 5: Solve for x
x = 65,463,441,643,219.06/7,415,009.86 - Step 6: Final answer
x = 8,828,503.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.