Finding the Fourth Proportional to 32,130,349.60, 48,195,217.20 and 7,869,383.20
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Solution
The fourth proportional to 32,130,349.60, 48,195,217.20 and 7,869,383.20 is: 11,803,999.56
Step by Step Solution
- Step 1: Write the proportion equation
32,130,349.60 : 48,195,217.20 = 7,869,383.20 : x - Step 2: Convert to fraction form
32,130,349.60/48,195,217.20 = 7,869,383.20/x - Step 3: Cross multiply
32,130,349.60x = 48,195,217.20 × 7,869,383.20 - Step 4: Simplify right side
32,130,349.60x = 379,266,632,554,031.06 - Step 5: Solve for x
x = 379,266,632,554,031.06/32,130,349.60 - Step 6: Final answer
x = 11,803,999.56
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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.