Finding the Fourth Proportional to 32,257,991.40, 48,386,987.10 and 12,059,053.80
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Solution
The fourth proportional to 32,257,991.40, 48,386,987.10 and 12,059,053.80 is: 18,088,580.70
Step by Step Solution
- Step 1: Write the proportion equation
32,257,991.40 : 48,386,987.10 = 12,059,053.80 : x - Step 2: Convert to fraction form
32,257,991.40/48,386,987.10 = 12,059,053.80/x - Step 3: Cross multiply
32,257,991.40x = 48,386,987.10 × 12,059,053.80 - Step 4: Simplify right side
32,257,991.40x = 583,501,280,658,806 - Step 5: Solve for x
x = 583,501,280,658,806/32,257,991.40 - Step 6: Final answer
x = 18,088,580.70
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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.