Finding the Fourth Proportional to 19,312,870.43, 26,675,339.41 and 14,439,704.09
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Solution
The fourth proportional to 19,312,870.43, 26,675,339.41 and 14,439,704.09 is: 19,944,420.42
Step by Step Solution
- Step 1: Write the proportion equation
19,312,870.43 : 26,675,339.41 = 14,439,704.09 : x - Step 2: Convert to fraction form
19,312,870.43/26,675,339.41 = 14,439,704.09/x - Step 3: Cross multiply
19,312,870.43x = 26,675,339.41 × 14,439,704.09 - Step 4: Simplify right side
19,312,870.43x = 385,184,007,465,388.12 - Step 5: Solve for x
x = 385,184,007,465,388.12/19,312,870.43 - Step 6: Final answer
x = 19,944,420.42
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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.