Finding the Fourth Proportional to 26,515,957.84, 39,775,617.88 and 8,320,871.16
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Solution
The fourth proportional to 26,515,957.84, 39,775,617.88 and 8,320,871.16 is: 12,481,834.29
Step by Step Solution
- Step 1: Write the proportion equation
26,515,957.84 : 39,775,617.88 = 8,320,871.16 : x - Step 2: Convert to fraction form
26,515,957.84/39,775,617.88 = 8,320,871.16/x - Step 3: Cross multiply
26,515,957.84x = 39,775,617.88 × 8,320,871.16 - Step 4: Simplify right side
26,515,957.84x = 330,967,791,668,070.12 - Step 5: Solve for x
x = 330,967,791,668,070.12/26,515,957.84 - Step 6: Final answer
x = 12,481,834.29
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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.