Finding the Fourth Proportional to 26,644,106.79, 36,769,168.35 and 15,631,044.26
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Solution
The fourth proportional to 26,644,106.79, 36,769,168.35 and 15,631,044.26 is: 21,571,017.64
Step by Step Solution
- Step 1: Write the proportion equation
26,644,106.79 : 36,769,168.35 = 15,631,044.26 : x - Step 2: Convert to fraction form
26,644,106.79/36,769,168.35 = 15,631,044.26/x - Step 3: Cross multiply
26,644,106.79x = 36,769,168.35 × 15,631,044.26 - Step 4: Simplify right side
26,644,106.79x = 574,740,497,698,395.38 - Step 5: Solve for x
x = 574,740,497,698,395.38/26,644,106.79 - Step 6: Final answer
x = 21,571,017.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.