Finding the Fourth Proportional to 26,816,567.80, 40,245,846.90 and 12,441,416.80
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Solution
The fourth proportional to 26,816,567.80, 40,245,846.90 and 12,441,416.80 is: 18,671,865.82
Step by Step Solution
- Step 1: Write the proportion equation
26,816,567.80 : 40,245,846.90 = 12,441,416.80 : x - Step 2: Convert to fraction form
26,816,567.80/40,245,846.90 = 12,441,416.80/x - Step 3: Cross multiply
26,816,567.80x = 40,245,846.90 × 12,441,416.80 - Step 4: Simplify right side
26,816,567.80x = 500,715,355,751,887.94 - Step 5: Solve for x
x = 500,715,355,751,887.94/26,816,567.80 - Step 6: Final answer
x = 18,671,865.82
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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.