Finding the Fourth Proportional to 26,266,909.60, 39,347,220.30 and 18,189,006.40
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Solution
The fourth proportional to 26,266,909.60, 39,347,220.30 and 18,189,006.40 is: 27,246,708.99
Step by Step Solution
- Step 1: Write the proportion equation
26,266,909.60 : 39,347,220.30 = 18,189,006.40 : x - Step 2: Convert to fraction form
26,266,909.60/39,347,220.30 = 18,189,006.40/x - Step 3: Cross multiply
26,266,909.60x = 39,347,220.30 × 18,189,006.40 - Step 4: Simplify right side
26,266,909.60x = 715,686,841,858,909.75 - Step 5: Solve for x
x = 715,686,841,858,909.75/26,266,909.60 - Step 6: Final answer
x = 27,246,708.99
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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.