Finding the Fourth Proportional to 26,092,880.47, 39,122,044.76 and 12,448,132.80
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Solution
The fourth proportional to 26,092,880.47, 39,122,044.76 and 12,448,132.80 is: 18,663,957.35
Step by Step Solution
- Step 1: Write the proportion equation
26,092,880.47 : 39,122,044.76 = 12,448,132.80 : x - Step 2: Convert to fraction form
26,092,880.47/39,122,044.76 = 12,448,132.80/x - Step 3: Cross multiply
26,092,880.47x = 39,122,044.76 × 12,448,132.80 - Step 4: Simplify right side
26,092,880.47x = 486,996,408,322,173.25 - Step 5: Solve for x
x = 486,996,408,322,173.25/26,092,880.47 - Step 6: Final answer
x = 18,663,957.35
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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.