Finding the Fourth Proportional to 18,747,612.32, 28,115,603.36 and 6,614,238.40
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Solution
The fourth proportional to 18,747,612.32, 28,115,603.36 and 6,614,238.40 is: 9,919,306.00
Step by Step Solution
- Step 1: Write the proportion equation
18,747,612.32 : 28,115,603.36 = 6,614,238.40 : x - Step 2: Convert to fraction form
18,747,612.32/28,115,603.36 = 6,614,238.40/x - Step 3: Cross multiply
18,747,612.32x = 28,115,603.36 × 6,614,238.40 - Step 4: Simplify right side
18,747,612.32x = 185,963,303,382,881.03 - Step 5: Solve for x
x = 185,963,303,382,881.03/18,747,612.32 - Step 6: Final answer
x = 9,919,306.00
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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.