Finding the Fourth Proportional to 19,380,335.70, 29,074,440.15 and 6,602,132.10
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Solution
The fourth proportional to 19,380,335.70, 29,074,440.15 and 6,602,132.10 is: 9,904,539.20
Step by Step Solution
- Step 1: Write the proportion equation
19,380,335.70 : 29,074,440.15 = 6,602,132.10 : x - Step 2: Convert to fraction form
19,380,335.70/29,074,440.15 = 6,602,132.10/x - Step 3: Cross multiply
19,380,335.70x = 29,074,440.15 × 6,602,132.10 - Step 4: Simplify right side
19,380,335.70x = 191,953,294,603,843.78 - Step 5: Solve for x
x = 191,953,294,603,843.78/19,380,335.70 - Step 6: Final answer
x = 9,904,539.20
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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.