Finding the Fourth Proportional to 19,266,221.72, 28,879,102.74 and 6,482,288.18
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Solution
The fourth proportional to 19,266,221.72, 28,879,102.74 and 6,482,288.18 is: 9,716,625.76
Step by Step Solution
- Step 1: Write the proportion equation
19,266,221.72 : 28,879,102.74 = 6,482,288.18 : x - Step 2: Convert to fraction form
19,266,221.72/28,879,102.74 = 6,482,288.18/x - Step 3: Cross multiply
19,266,221.72x = 28,879,102.74 × 6,482,288.18 - Step 4: Simplify right side
19,266,221.72x = 187,202,666,340,507.59 - Step 5: Solve for x
x = 187,202,666,340,507.59/19,266,221.72 - Step 6: Final answer
x = 9,716,625.76
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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.