Finding the Fourth Proportional to 26,282,674.08, 39,369,078 and 21,137,277.60
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Solution
The fourth proportional to 26,282,674.08, 39,369,078 and 21,137,277.60 is: 31,661,737.62
Step by Step Solution
- Step 1: Write the proportion equation
26,282,674.08 : 39,369,078 = 21,137,277.60 : x - Step 2: Convert to fraction form
26,282,674.08/39,369,078 = 21,137,277.60/x - Step 3: Cross multiply
26,282,674.08x = 39,369,078 × 21,137,277.60 - Step 4: Simplify right side
26,282,674.08x = 832,155,130,542,052.88 - Step 5: Solve for x
x = 832,155,130,542,052.88/26,282,674.08 - Step 6: Final answer
x = 31,661,737.62
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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.