Finding the Fourth Proportional to 14,932,973.12, 20,607,901.61 and 8,406,850.10
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Solution
The fourth proportional to 14,932,973.12, 20,607,901.61 and 8,406,850.10 is: 11,601,677.59
Step by Step Solution
- Step 1: Write the proportion equation
14,932,973.12 : 20,607,901.61 = 8,406,850.10 : x - Step 2: Convert to fraction form
14,932,973.12/20,607,901.61 = 8,406,850.10/x - Step 3: Cross multiply
14,932,973.12x = 20,607,901.61 × 8,406,850.10 - Step 4: Simplify right side
14,932,973.12x = 173,247,539,565,744.91 - Step 5: Solve for x
x = 173,247,539,565,744.91/14,932,973.12 - Step 6: Final answer
x = 11,601,677.59
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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.