Finding the Fourth Proportional to 19,223,767.64, 26,528,702.67 and 10,403,212.55
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Solution
The fourth proportional to 19,223,767.64, 26,528,702.67 and 10,403,212.55 is: 14,356,380.99
Step by Step Solution
- Step 1: Write the proportion equation
19,223,767.64 : 26,528,702.67 = 10,403,212.55 : x - Step 2: Convert to fraction form
19,223,767.64/26,528,702.67 = 10,403,212.55/x - Step 3: Cross multiply
19,223,767.64x = 26,528,702.67 × 10,403,212.55 - Step 4: Simplify right side
19,223,767.64x = 275,983,732,419,119 - Step 5: Solve for x
x = 275,983,732,419,119/19,223,767.64 - Step 6: Final answer
x = 14,356,380.99
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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.