Finding the Fourth Proportional to 19,275,742.23, 28,913,713.04 and 6,496,357.65
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Solution
The fourth proportional to 19,275,742.23, 28,913,713.04 and 6,496,357.65 is: 9,744,570.07
Step by Step Solution
- Step 1: Write the proportion equation
19,275,742.23 : 28,913,713.04 = 6,496,357.65 : x - Step 2: Convert to fraction form
19,275,742.23/28,913,713.04 = 6,496,357.65/x - Step 3: Cross multiply
19,275,742.23x = 28,913,713.04 × 6,496,357.65 - Step 4: Simplify right side
19,275,742.23x = 187,833,820,897,308.75 - Step 5: Solve for x
x = 187,833,820,897,308.75/19,275,742.23 - Step 6: Final answer
x = 9,744,570.07
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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.