Finding the Fourth Proportional to 26,356,817.40, 39,493,235.70 and 19,554,372.60
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Solution
The fourth proportional to 26,356,817.40, 39,493,235.70 and 19,554,372.60 is: 29,300,405.82
Step by Step Solution
- Step 1: Write the proportion equation
26,356,817.40 : 39,493,235.70 = 19,554,372.60 : x - Step 2: Convert to fraction form
26,356,817.40/39,493,235.70 = 19,554,372.60/x - Step 3: Cross multiply
26,356,817.40x = 39,493,235.70 × 19,554,372.60 - Step 4: Simplify right side
26,356,817.40x = 772,265,446,057,421.88 - Step 5: Solve for x
x = 772,265,446,057,421.88/26,356,817.40 - Step 6: Final answer
x = 29,300,405.82
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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.