Finding the Fourth Proportional to 19,424,334.90, 29,136,502.35 and 15,645,198.90
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Solution
The fourth proportional to 19,424,334.90, 29,136,502.35 and 15,645,198.90 is: 23,467,798.35
Step by Step Solution
- Step 1: Write the proportion equation
19,424,334.90 : 29,136,502.35 = 15,645,198.90 : x - Step 2: Convert to fraction form
19,424,334.90/29,136,502.35 = 15,645,198.90/x - Step 3: Cross multiply
19,424,334.90x = 29,136,502.35 × 15,645,198.90 - Step 4: Simplify right side
19,424,334.90x = 455,846,374,516,067.44 - Step 5: Solve for x
x = 455,846,374,516,067.44/19,424,334.90 - Step 6: Final answer
x = 23,467,798.35
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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.