Finding the Fourth Proportional to 32,404,823.80, 48,607,235.70 and 13,229,207.80
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Solution
The fourth proportional to 32,404,823.80, 48,607,235.70 and 13,229,207.80 is: 19,843,811.70
Step by Step Solution
- Step 1: Write the proportion equation
32,404,823.80 : 48,607,235.70 = 13,229,207.80 : x - Step 2: Convert to fraction form
32,404,823.80/48,607,235.70 = 13,229,207.80/x - Step 3: Cross multiply
32,404,823.80x = 48,607,235.70 × 13,229,207.80 - Step 4: Simplify right side
32,404,823.80x = 643,035,221,658,878.50 - Step 5: Solve for x
x = 643,035,221,658,878.50/32,404,823.80 - Step 6: Final answer
x = 19,843,811.70
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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.