Finding the Fourth Proportional to 17,798,860.80, 26,698,291.20 and 4,335,688.80
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Solution
The fourth proportional to 17,798,860.80, 26,698,291.20 and 4,335,688.80 is: 6,503,533.20
Step by Step Solution
- Step 1: Write the proportion equation
17,798,860.80 : 26,698,291.20 = 4,335,688.80 : x - Step 2: Convert to fraction form
17,798,860.80/26,698,291.20 = 4,335,688.80/x - Step 3: Cross multiply
17,798,860.80x = 26,698,291.20 × 4,335,688.80 - Step 4: Simplify right side
17,798,860.80x = 115,755,482,134,978.55 - Step 5: Solve for x
x = 115,755,482,134,978.55/17,798,860.80 - Step 6: Final answer
x = 6,503,533.20
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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.