Finding the Fourth Proportional to 19,218,460.04, 28,821,758.04 and 5,572,612.26
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Solution
The fourth proportional to 19,218,460.04, 28,821,758.04 and 5,572,612.26 is: 8,357,198.33
Step by Step Solution
- Step 1: Write the proportion equation
19,218,460.04 : 28,821,758.04 = 5,572,612.26 : x - Step 2: Convert to fraction form
19,218,460.04/28,821,758.04 = 5,572,612.26/x - Step 3: Cross multiply
19,218,460.04x = 28,821,758.04 × 5,572,612.26 - Step 4: Simplify right side
19,218,460.04x = 160,612,482,078,280.31 - Step 5: Solve for x
x = 160,612,482,078,280.31/19,218,460.04 - Step 6: Final answer
x = 8,357,198.33
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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.