Finding the Fourth Proportional to 26,579,941.80, 39,869,912.70 and 13,143,013.80
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Solution
The fourth proportional to 26,579,941.80, 39,869,912.70 and 13,143,013.80 is: 19,714,520.70
Step by Step Solution
- Step 1: Write the proportion equation
26,579,941.80 : 39,869,912.70 = 13,143,013.80 : x - Step 2: Convert to fraction form
26,579,941.80/39,869,912.70 = 13,143,013.80/x - Step 3: Cross multiply
26,579,941.80x = 39,869,912.70 × 13,143,013.80 - Step 4: Simplify right side
26,579,941.80x = 524,010,812,820,895.31 - Step 5: Solve for x
x = 524,010,812,820,895.31/26,579,941.80 - Step 6: Final answer
x = 19,714,520.70
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Similar ratio
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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.