Finding the Fourth Proportional to 16,623,117.60, 24,953,338.80 and 12,853,312.80
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Solution
The fourth proportional to 16,623,117.60, 24,953,338.80 and 12,853,312.80 is: 19,294,399.32
Step by Step Solution
- Step 1: Write the proportion equation
16,623,117.60 : 24,953,338.80 = 12,853,312.80 : x - Step 2: Convert to fraction form
16,623,117.60/24,953,338.80 = 12,853,312.80/x - Step 3: Cross multiply
16,623,117.60x = 24,953,338.80 × 12,853,312.80 - Step 4: Simplify right side
16,623,117.60x = 320,733,069,000,776.69 - Step 5: Solve for x
x = 320,733,069,000,776.69/16,623,117.60 - Step 6: Final answer
x = 19,294,399.32
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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.