Finding the Fourth Proportional to 26,576,553.80, 39,864,830.70 and 13,139,625.80
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Solution
The fourth proportional to 26,576,553.80, 39,864,830.70 and 13,139,625.80 is: 19,709,438.70
Step by Step Solution
- Step 1: Write the proportion equation
26,576,553.80 : 39,864,830.70 = 13,139,625.80 : x - Step 2: Convert to fraction form
26,576,553.80/39,864,830.70 = 13,139,625.80/x - Step 3: Cross multiply
26,576,553.80x = 39,864,830.70 × 13,139,625.80 - Step 4: Simplify right side
26,576,553.80x = 523,808,957,978,352.12 - Step 5: Solve for x
x = 523,808,957,978,352.12/26,576,553.80 - Step 6: Final answer
x = 19,709,438.70
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1.5x scale
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.