Finding the Fourth Proportional to 14,406,273.72, 19,879,579.98 and 7,879,565.88
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Solution
The fourth proportional to 14,406,273.72, 19,879,579.98 and 7,879,565.88 is: 10,873,211.43
Step by Step Solution
- Step 1: Write the proportion equation
14,406,273.72 : 19,879,579.98 = 7,879,565.88 : x - Step 2: Convert to fraction form
14,406,273.72/19,879,579.98 = 7,879,565.88/x - Step 3: Cross multiply
14,406,273.72x = 19,879,579.98 × 7,879,565.88 - Step 4: Simplify right side
14,406,273.72x = 156,642,460,119,139.09 - Step 5: Solve for x
x = 156,642,460,119,139.09/14,406,273.72 - Step 6: Final answer
x = 10,873,211.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.