Finding the Fourth Proportional to 14,386,917.30, 19,853,711.28 and 7,860,406.29
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Solution
The fourth proportional to 14,386,917.30, 19,853,711.28 and 7,860,406.29 is: 10,847,232.51
Step by Step Solution
- Step 1: Write the proportion equation
14,386,917.30 : 19,853,711.28 = 7,860,406.29 : x - Step 2: Convert to fraction form
14,386,917.30/19,853,711.28 = 7,860,406.29/x - Step 3: Cross multiply
14,386,917.30x = 19,853,711.28 × 7,860,406.29 - Step 4: Simplify right side
14,386,917.30x = 156,058,237,025,155.97 - Step 5: Solve for x
x = 156,058,237,025,155.97/14,386,917.30 - Step 6: Final answer
x = 10,847,232.51
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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.