Finding the Fourth Proportional to 26,920,851.60, 40,381,277.40 and 16,171,309.20
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Solution
The fourth proportional to 26,920,851.60, 40,381,277.40 and 16,171,309.20 is: 24,256,963.80
Step by Step Solution
- Step 1: Write the proportion equation
26,920,851.60 : 40,381,277.40 = 16,171,309.20 : x - Step 2: Convert to fraction form
26,920,851.60/40,381,277.40 = 16,171,309.20/x - Step 3: Cross multiply
26,920,851.60x = 40,381,277.40 × 16,171,309.20 - Step 4: Simplify right side
26,920,851.60x = 653,018,122,726,372 - Step 5: Solve for x
x = 653,018,122,726,372/26,920,851.60 - Step 6: Final answer
x = 24,256,963.80
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1.5x scale
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.