Finding the Fourth Proportional to 9,577,078.13, 13,216,646.93 and 5,226,444.66
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Solution
The fourth proportional to 9,577,078.13, 13,216,646.93 and 5,226,444.66 is: 7,212,645.95
Step by Step Solution
- Step 1: Write the proportion equation
9,577,078.13 : 13,216,646.93 = 5,226,444.66 : x - Step 2: Convert to fraction form
9,577,078.13/13,216,646.93 = 5,226,444.66/x - Step 3: Cross multiply
9,577,078.13x = 13,216,646.93 × 5,226,444.66 - Step 4: Simplify right side
9,577,078.13x = 69,076,073,770,403.89 - Step 5: Solve for x
x = 69,076,073,770,403.89/9,577,078.13 - Step 6: Final answer
x = 7,212,645.95
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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.