Finding the Fourth Proportional to 19,404,212.90, 29,106,319.35 and 13,357,595.30
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Solution
The fourth proportional to 19,404,212.90, 29,106,319.35 and 13,357,595.30 is: 20,036,392.95
Step by Step Solution
- Step 1: Write the proportion equation
19,404,212.90 : 29,106,319.35 = 13,357,595.30 : x - Step 2: Convert to fraction form
19,404,212.90/29,106,319.35 = 13,357,595.30/x - Step 3: Cross multiply
19,404,212.90x = 29,106,319.35 × 13,357,595.30 - Step 4: Simplify right side
19,404,212.90x = 388,790,434,549,859.12 - Step 5: Solve for x
x = 388,790,434,549,859.12/19,404,212.90 - Step 6: Final answer
x = 20,036,392.95
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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.