Finding the Fourth Proportional to 19,575,735.20, 29,363,602.80 and 5,201,021.60
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Solution
The fourth proportional to 19,575,735.20, 29,363,602.80 and 5,201,021.60 is: 7,801,532.40
Step by Step Solution
- Step 1: Write the proportion equation
19,575,735.20 : 29,363,602.80 = 5,201,021.60 : x - Step 2: Convert to fraction form
19,575,735.20/29,363,602.80 = 5,201,021.60/x - Step 3: Cross multiply
19,575,735.20x = 29,363,602.80 × 5,201,021.60 - Step 4: Simplify right side
19,575,735.20x = 152,720,732,416,620.47 - Step 5: Solve for x
x = 152,720,732,416,620.47/19,575,735.20 - Step 6: Final answer
x = 7,801,532.40
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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.